Multiply the conjugates.(7 - 5i)(7 + 5i)
A. 49 + 25i
B. 24
C. 49 - 25i
D. 74
Answer: D
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Evaluate the integral.
A. 7 B. 1 C. -7 D. 0
The formula used to calculate body mass index is BMI=
? 703 where w = weight in lb and h = height in inches. Calculate June's BMI if she weighs 140 and is 5 ft 4 in tall.
A. 33.75 B. 25.03 C. 24.03 D. 15.38
Solve by using the simplex method.Minimize3x1+ 3x2+ 2x3subject to-2x1+x3?? -122x1+ x2? 20-x1+ x2+ 2x3? 24and x1 ? 0, x2 ? 0, x3 ? 0
A. Minimum = 44 when x1 = 4, x2 = 8, and x3 = 4 B. Minimum = 42 when x1 = 6, x2 = 8, and x3 = 0 C. Minimum = 40 when x1 = 6, x2 = 6, and x3 = 2 D. Minimum = 36 when x1 = 6, x2 = 6, and x3 = 0
Solve the problem.How many ways are there to choose the answers to a test that consists of three true-false questions followed by eight multiple-choice questions with four possible answers each?
A. 524,288 B. 36,864 C. 4105 D. 65,544