A ringing bell, placed in a vacuum under a glass bell jar, will

• have the pitch of its sound raised

• crack the thick glass of the bell jar

• undergo no change

• be inaudible

If a person lifts a 50 pound package to the top of a 25 foot ladder, how many foot pounds of work are performed?

• 75 foot pounds

• 500 foot pounds

• 1,000 foot pounds

• 1,250 foot pounds

Sulfur is mined chiefly for the production of

• sulfa drugs

• sulfanilamide

• sulfuric acid

• superphosphates

The total water usage for a city is 50,000 gallons each day. 
Of that total, 21% is for personal use and 47% is for industrial use. How much more water is used for personal use than for industrial purposes?

•  113,000 gallons
• 34,000 gallons
• 10,500 gallons
• 23,500 gallons

If a mayor is elected with 78% of the votes cast and 32% of the town's 47,000 voters cast a vote, how many votes did the mayor receive?

• 11,731
• 35,269
• 15,040
• 36,660

(d + h)(n + w) = ?

• 2(dn ×× dw ×× hn ×× hw)
• 2(dn + dw + hn + hw)
• dn + dw + hn + hw
• 2dn ×× 2dw ×× 2hn ×× 2hw

If 8 + x ≥ 16, what is the value of x ≥ ?

• -8
• 16x
• 8x
• 8

If a box measures 4 inches long by 8 inches wide by 8 inches high, what's its volume in cubic inches?

• 256 in^2
• 64 in^3
• _32 in^3
• 256 in^3

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Tags

CCSS.HSF.BF.A.2

Find the first term of the given sequence:
a₁₄=68
d=3

• 14
• 20
• 26
• 29

Tags

CCSS.HSF.BF.A.2