Solve for the indicated variable.P = 2L + 2W for L
A. L = d - 2W
B. L = P - W
C. L = 
D. L = 
Answer: D
Mathematics
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Find the slope of the line tangent to the curve at the given value of x.f(x) = x4 - 7; x = 3
A. 74 B. 108 C. 101 D. 81
Mathematics
Fill in the missing value.540,000 mm2 = cm2
A. 54,000 B. 54 C. 5400 D. 540
Mathematics
A couple is planning to have four children. Suppose that for this couple the probability of a boy is 46% and the probability of a girl is 54%. (Assume the gender of each child is independent from that of the other children.)What is the probability that they will have four boys?
A. 0.46 + 0.46 + 0.46 + 0.46
B. 0.464
C. 0.463 × 0.54
D. 
E. none of these
Mathematics
Use identities to find the exact value of the trigonometric function.Find sin ?, given that cos ? = 
and 0 < ? < 
.
A. - 
B. 
C. 
D. - 
Mathematics