Simplify. Assume that all variables represent positive real numbers.
- 
A. (3x3y2 - 2x4y)
B. (3x3y2 + 2x4y)
C. (3x3y2 + 2x4y)
D. (3x6y4 - 2x9y)
Answer: A
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Match the equation with the surface it defines.- 
+ 
+ 
= 1 
A. Figure 4 B. Figure 2 C. Figure 1 D. Figure 3
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 70 feet. (Round to the nearest tenth.)
A. 66.9 ft per sec B. 11.8 ft per sec C. 47.3 ft per sec D. 4480 ft per sec
Solve.Find the amount of discount when the original price is $44.00 and the discount rate is 
.
A. $17.60 B. $26.40 C. $1.76 D. $42.24
Solve the equation.
?
?
A. ?x = ?9 B. x = ??8 C. ?x = ?-8 D. ?x = ?-9 E. No solution.