Find the missing number. Round to the nearest hundredth if necessary.20? = 89
A. 1.50
B. 2.49
C. 0.67
D. 0.65
Answer: A
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Graph the parabola whose equation is given.f(x) = x2 - 1
A. 
B. 
C. 
D. 
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.D ? D
A. False; A is a subset of itself. B. False; the set is equal to itself. C. False; A is not a subset of itself. D. True
At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:Greater than 13.4 seconds
A. 97.5% B. 98% C. 84% D. 2.5%
Multiply.3188 × 0.045
A. 140.591 B. 143.46 C. 1434.6 D. 14,346