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Which set of data would you expect to have the greatest standard deviation?

• The heights in cm of all of the students in the first-grade classes in a large elementary school.

• The heights in cm of all of the first-grade teachers in the elementary school.

• The heights in cm of all of the first-grade students and all of the first-grade teachers in the elementary school.

• The circumferences in cm of the wrists for all the students in your class.

What is half of 2^6?

• 1^3

• 1^6

• 2^3

• 2^5

Tags

CCSS.8.EE.A.1

Grant has $58 in a savings account. He plans on depositing $30 into the account each month and not taking any money out of the account. Which function rule will give the total amount he has in the account T after any number of months n?

• T = 58n + 30

• T = 30 + n + 58

• T = 30n + 58

• T = 30(58 + n)

Tags

CCSS.HSF-BF.A.1A

Given the equation shown, what is y in terms of e, n, k and t?

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.4

Timmy bought a skateboard and two helmets for a total of d dollars. If each helmet cost h dollars, the cost of the skateboard could be represented by:

• 2dh

• (dh)/2

• d - 2h

• d - (h/2)

Tags

CCSS.6.EE.B.7

Which statement is true about the relation shown on the graph below?

• It is a function because there exists one x-coordinate for each y-coordiante.

• It is not a function because there are multiple y-values for a given x-value.

• It is a function because there exists one y-coordinate for each x-coordinate.

• It is not a function because there are multiple x-values for a given y-value.

Which equation represents a line that is parallel to the line y = -4x + 5?

• y = -4x + 3

• y = 1/4x + 3

• y = -1/4x + 5

• y = 4x + 5

Mr. Smith invested $2,500 in a savings account that earns 3% interest compounded annually. He made no additional deposits or withdrawals. Which expression can be used to determine the number of dollars in this account at the end of 4 years?

• 2500(1 + 0.03)^4

• 2500(1 + 0.3)^4

• 2500(1 + 0.04)^3

• 2500(1 + 0.04)^4

Tags

CCSS.HSF.BF.A.2

A new car was purchased for $35,000. Once it leaves the lot, it depreciates at a steady rate of 9% per year. What is the value of the car in 10 years?

• $13,629.56

• $82,857.73

• $21,370.44

• $48,629.56

Campsite A and campsite B are located directly opposite each other on the shores of Lake Omega, as shown in the diagram below. The two campsites form a right triangle with Sam’s position, S. The distance from campsite B to Sam’s position is 1,300 yards, and campsite A is 1,700 yards from his position. What is the distance from campsite A to campsite B, to the nearest yard?

• 1095

• 1096

• 2140

• 2141

Tags

CCSS.8.G.B.8