Solve the problem.A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow.
A. 5.5 inches
B. 5 inches
C. 4.5 inches
D. 4 inches
Answer: C
Mathematics
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Perform the indicated operation. Write the answer in proper scientific notation.(2.7 × 104) × (3.0 × 106)
A. 0.81 × 1010 B. 8.1 × 1011 C. 8.1 × 1010 D. 8.1 × 109
Mathematics
For the function provided, find all values of x for which f(x) satisfies the indicated condition. Graph the solution on a number line.f(x) = x2 - 8x + 7, f(x) ? 0
A. 
B. 
C. 
D. 
Mathematics
Graph using the slope and the y-intercept.y = x - 6
A. 
B. 
C. 
D. 
Mathematics
Write the decimal in words.The distance from John's house to Ted's is 0.8 mile.
A. eight tenths B. eight hundredths C. eight ten-thousandths D. eight thousandths
Mathematics