Solve the problem.Sarah has grades of 66 and 78 on his first two tests. If she wants an average of at least 70 after her third test, what score must she make on that test?
A. 72 or more
B. 71 or more
C. 70 or more
D. 66 or more
Answer: D
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Solve the problem.Suppose that the odds of winning the grand prize in a raffle are 1 to 7. What is the probability of winning the grand prize?
A. 
B. 
C. 
D. 
E. none of these
Provide an appropriate response. Solve the following quadratic equation using any method: 6x2 - 36x = 0
A. x = -6, 6 B. x = 6 C. x = 0, -6, 6 D. x = 0, 6
Find the logarithm using the change-of-base formula. Round to the nearest ten-thousandth.log? 600
A. 5.5882 B. 0.1789 C. 524.1415 D. 2.0362
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.I = prt; I = 16.8, p = 210, r = 0.01
A. t = 8 B. t = 0.8 C. t = 35.28 D. t = 0.35