Solve the problem. Round your answer to the nearest tenth, if necessary.Bill can row 3 mph in still water. It takes him 3 hr 36 min to go 3 mi upstream and then return. Find the speed of the current.
A. 2.5 mph
B. 2 mph
C. 3 mph
D. 1.5 mph
Answer: B
Mathematics
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Write the exponential expression with positive exponents. Simplify if possible.
A. 644/3 = 256
B. 64-4/3 = -
C. -644/3-256
D. 64-4/3 =
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.x3 ? -10x2 - 25x
A. (-?, 0] B. [-5, 0] C. (-?, 0] ? [5, ?) D. (-?, -5] ? [0, ?)
Mathematics
Add. Simplify, if possible. +
A.
B.
C.
D.
Mathematics
Use interval notation to represent all values of x satisfying the given conditions.y1 = -2x + 1, y2 = -3x - 4, and y1 ? y2.
A. [-5, ?) B. (-?, -5] C. [-3, ?) D. (-?, -5)
Mathematics