Simplify the expression.
A. 45
B. 16
C. 27
D. 18
Answer: D
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Solve the problem.Earth is approximately circular in cross section, with a circumference at the equator of 24,882 miles. Suppose that two ropes are used to create two concentric circles. One is created by wrapping a rope around the equator and the other is created using a rope 48 feet longer. How much space is between the ropes? Round the result to two decimal places.
A. About 13.37 feet B. About 7.64 feet C. About 40,336.23 feet D. About 6.05 feet
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers. 1/4
A.
B.
C.
D. 4x2
Find an equation in slope-intercept form (where possible) for the line.Through (2, 4), m = -
A. y = x -
B. y = x +
C. y = - x +
D. y = - x +
The pH of a solution is 1.3. What is the pOH of the solution?
A. 1.3 B. 12.7 C. 0.11 D. 13.3