Write the equation in slope-intercept form.-5x + y = 13
A. y = -5x - 13
B. y = 5x + 13
C. y = -5x + 13
D. y = 5x - 13
Answer: B
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Solve the problem.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the radius of the hemisphere is 10 feet and the height of the silo is h feet, express the volume of the silo as a function of h.
A. V(h) = 100 ?(h2 - 10) + 
?
B. V(h) = 100 ?h + 
?h2
C. V(h) = 100 ?(h - 10) + 
?
D. V(h) = 4100 ?(h - 10) + 
?
Use the following information to solve the problem. An airport is located at point O. A short-range radar tower is located at point R. The maximum range at which the radar can detect a plane is 4 miles from point R.Assume that R is 3 miles east of O and 8 miles north of O. In other words, R is located at the point 
. An airplane is flying parallel to and 2 miles east of the north axis. (In other words, the plane is flying along the path 
.) What is the greatest distance north of the airport at which the plane can still be detected by the radar tower at R? Round your
answer to the nearest tenth of a mile. A. 4.1 miles B. 11.9 miles C. 11 miles D. 10.2 miles
Solve. Simplify the answer.Erika spent 
of an hour on her computer visiting the history channel and the discovery channel websites. She spent 
of an hour at the history channel website. How many hours did she spend at the discovery channel website?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Find the maximum value of the objective function and where it occurs, subject to the constraints: ? Objective function: ? z = 7x + y ? Constraints: ? x ? 0 y ? 0 3x + y ? 15 4x + 3y ? 30 ?
A. Maximum at (0, 0): 0 B. Maximum at (5, 0): 35 C. Maximum at (0, 6): 46 D. Maximum at (6, 3): 45 E. Maximum at (3, 0): 21