Simplify the expressions. Make all exponents positive.(-2x2)3
A. -8x5
B. 8x6
C. -2x6
D. -8x6
Answer: D
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Factor completely.49p2q2 + 28pq + 4
A. (7p + 2q)2 B. (7pq + 2)2 C. (7pq - 2)2 D. (7pq + 2)(7pq - 2)
Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun. 
x 103 m, what is the distance to the sun in meters?
A. 5.7 x 1010 m B. 1.50 x 1011 m C. 5.7 x 10-10 m D. 1.50 x 1010 m
Solve the problem.A croissant, a cup of coffee, and a fruit bowl from Kelley's Coffee Cart cost a total of $5.50, and a croissant costs twice as much as a cup of coffee. Kelley posts a notice announcing that, effective next week, the price of a croissant will go up 20% and the price of coffee will go up 20%. After the increase, the total price of the purchase will be $5.95. Find the cost of each item before the increase.
A. A fruit bowl costs $3.25, a croissant costs $0.90, and a cup of coffee costs $1.80.
B. A fruit bowl costs $3.25, a croissant costs $1.80, and a cup of coffee costs $0.90.
C.
| A fruit bowl costs $3.25, a croissant costs $1.50, and a cup of coffee costs $0.75. |
D. The prices cannot be determined from the given information.
Solve the problem.An object has a frequency of 3 vibrations per second. Write an equation in the form d = sin ?t for the object's simple harmonic motion.
A. d = sin 
t
B. d = sin 6t
C. d = sin 
?t
D. d = sin 6?t