Simplify the expression.-5(10r + 4) + 7(3r + 8)
A. -70r
B. 5r - 1
C. -29r + 4
D. -29r + 36
Answer: D
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Provide an appropriate response.Which regular polygon can be used to make a tiling with a single polygon?
A. dodecahedron B. hexagon C. octagon D. heptagon
Solve.The height of a golf ball in feet after t seconds is given by 128t - 16t2. Factor this expression.
A. 16t2(8 - t) B. 16t(8 - t) C. 16(8t - t2) D. 4t(32 - 4t)
Answer the question.5x + 3y = 197x + 8y = 48If your friend was going to solve this system of equations by first eliminating y, what general suggestions would you make so your friend could start on this in a systematic way?
What will be an ideal response?
Solve the triangle.b = 4, c = 6, A = 70°
A. a = 5.97, B = 39°, C = 71° B. a = 4.97, B = 71°, C = 39° C. a = 5.97, B = 71°, C = 39° D. a = 6.97, B = 39°, C = 71°