Solve. Write the answer as a mixed number in simplest form.A wall in Alex and Carla Dinu's garden is to be built using brick that is 3
inches wide and a mortar joint that is 
inch wide. Use the diagram to find the height of the wall.
A. 22
in.
B. 22
in.
C. 23
in.
D. 23
in.
Answer: A
Mathematics
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Factor the sum or difference of two cubes.x3 - 8
A. (x + 8)(x2 - 1) B. (x - 2)(x2 + 2x + 4) C. (x - 2)(x2 + 4) D. (x + 2)(x2 - 2x + 4)
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Find an equation for the line with the given properties.Perpendicular to the line y = -9; containing the point (1, 4)
A. y = 4 B. y = 1 C. x = 4 D. x = 1
Mathematics
Find the volume of the solid capped by the surface z = f(x, y) over the region with the given boundaries on the xy-plane.z = 4x2 + 9y2; 0 ? x ? 1, 0 ? y ? 1
A. 
B. 
C. 
D. 
Mathematics
Sketch the space curve.r(t) = 
, 0 ? t ? 4
What will be an ideal response?
Mathematics