State whether the line between the two points is increasing, decreasing, horizontal, or vertical.(-14, 18) and (-2, -8)
A. increasing
B. decreasing
C. horizontal
D. vertical
Answer: B
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Replace the ? with the inequality symbol < or >.-8 ? 3
A. -8 > 3 B. -8 < 3
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5
A. 
log511x
B. log5
+ log5
C. log511 + 
log5x
D. 
log511 + 
log5x
Evaluate.[38 - (4 + 6) ÷ 2] - [1 + 21 ÷ 3]
A. 20 B. 22 C. 25 D. 32
A rather flimsy spherical balloon is designed to pop at the instant its radius has reached 5 cm. Assuming the balloon is filled with helium at a rate of 
, calculate how fast the diameter is growing at the instant it pops. Round your answer to the three decimal places.
?
The volume of a sphere of radius r is 
.
?
A. 
B. 
C. 
D. 
E. 