Simplify the expression. Assume all variables represent nonzero real numbers.(-2t5)(4t2)(-2t7)
A. 0t12
B. 16t14
C. 16t15
D. 0t14
Answer: B
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Write as a percent. Round the percent to the nearest tenth if necessary.
A. 37.5% B. 1000% C. 7.5% D. 75%
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 feet per second and the gorge is 240 feet deep, during what interval can the flare be seen? Use the formula h(t) = -16t2 + v0t + h0.
A. The flare can be seen between 9 sec and 11 sec. B. The flare can be seen up to, but not including, 3 sec. C. The flare can be seen between 6 sec and 8 sec. D. The flare can be seen between 3 sec and 5 sec.
Write the given number in the situation as an integer.Mary's stock lost $2300 in value last year.
A. -$2300 B. $2300
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 