Provide an appropriate response.To solve the equation 45 = 9y what would you do?
A. Divide both sides of the equation by 45.
B. Divide both sides of the equation by 9.
C. Subtract 9 from both sides of the equation.
D. Multiply both sides of the equation by 9.
Answer: B
Mathematics
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Integrate the function f over the given region.f(x, y) = xy over the rectangle 3 ? x ? 4, 2 ? y ? 7
A. 
B. 
C. 105
D. 
Mathematics
Solve and check the equation.4(5x + 3) + 3(2x - 2) = 5x + 90
A. {8} B. {9} C. {4} D. {-2}
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The graph of a linear function f passes through the two given points. Find a formula for f (x).(-6, 15), (5, -7)
A. f(x) = -2x - 3 B. f(x) = 2x + 3 C. f(x) = 2x - 3 D. f(x) = -2x + 3
Mathematics
Solve.
= 
A. x = 
B. x = 9
C. x = 19
D. x = 38
Mathematics