AR 1.1, 1.3

Select the real-world situation that could represent the algebraic expression: 20n+5.

• The cost is $20 per person, with a $5 discount.

• The cost is $20, plus a $5 transaction fee.

• The cost is $20 per person, plus a $5 transaction fee.

• The item's $20 cost was divided equally among those participating, with each person also buying a $5 item.

Tags

CCSS.HSA-SSE.A.1A

Which expression represents the phrase four less than seven times Lynn's age where a represents Lynn's age?

• 7a + 4

• 7a – 4

• 4a – 7

• 4a + 7

• 4 – 7a

Tags

CCSS.6.EE.B.6

A tree has a height of 4.5 feet when planted, and it grows about 1.25 feet per year. Let y represent the number of years since the tree was planted. Which expression represents the height of the tree after a given number of years?

• 1.25 + 4.5y

• 1.25y + 4.5

• 4.5 + 1.25y

• 4.5y + 1.25

Tags

CCSS.HSF-BF.A.1A

Given the expression 2(x−3) + x², find the value when x = 5.

• A. 47

• B. 14

• C. 29

• D. 32

• E. 17

Tags

CCSS.6.EE.A.2C

Tags

CCSS.6.EE.A.2C

Which equations have a solution of 36? Select all that apply.

• A. 11g = 396

• C. −210 = −6j