Solve the problem.The time required for a block to slide down an inclined plane with angle of inclination ? is given by 
where a is the length of the base and g is the acceleration due to gravity. Solve for 
A. ? = 
sin-1 
B. ? = 
sin-1 
C. ? = sin-1 
D. ? = sin-1 
Answer: B
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Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.7.6 is what percent of 19.7?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.According to City High School's alumni records, 350 students graduated in 2001. Of these graduates, 180 were female, 135 of whom were accepted into college. Of the male graduates, 105 were accepted into college. What is the probability that a 2001 graduate of City High School was accepted into college?
A. 
B. 
C. 
D. 
Write the x- and y-intercepts of the graph.
A. x-intercepts: 4, -4 B. x-intercepts: 4, -4; y-intercept: 0 C. x-intercepts: 4, -4; y-intercept: -4 D. y-intercept: -4
Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 