Solve the problem.Write four out of five students as a decimal and as a percent.
A. 8, 800%
B. 0.8, 8%
C. 0.8, 800%
D. 0.8, 80%
Answer: D
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = 
, x = 3t + 1, y = et, z = 6t - 1
A. 
B. 
C. 
D. 
Mathematics
Multiply.(-2.4u2)(-17.4u4)
A. 41.76u6 B. 19.8u12 C. -19.8u8 D. -15u6
Mathematics
Decide whether the two sequences of operations give the same result.Subtracting y from x and adding the difference to z; adding x to z and then subtracting y
A. Yes B. No
Mathematics
250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.Peter's score on the exam places him in the 16th percentile of the class. Peter's score on the exam is approximately
A. 55. B. 45. C. 16. D. 65. E. none of these
Mathematics