Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.-5k1/8(-4k3/8 + 4k3/4)
A. 20k3/64 - 20k3/32
B. 20k-1/4 + 20k-5/8
C. 20k1/2 - 20k7/8
D. 20k1/2 + 20k7/8
Answer: C
Mathematics
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Convert as indicated.21 L to pints
A. 19.1 pints B. 39.7 pints C. 44.7 pints D. 50.4 pints
Mathematics
Graph the equation by plotting the intercepts.y = 2x + 8
A. 
B. 
C. 
D. 
Mathematics
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
B = 37°, b = 49.7
A. A = 37°, a = 37.5, c = 82.6 B. A = 53°, a = 66, c = 62.2 C. A = 37°, a = 37.5, c = 39.7 D. A = 53°, a = 66, c = 82.6
Mathematics
One solution of a polynomial equation is given. Use synthetic division to find any remaining solutions.x3 - 3x2 - 25x + 75 = 0; -5
A. 3 B. 3, 5 C. -3, 5 D. ±3
Mathematics