Simplify the expression. Assume that all variables are positive when they appear.20 - 4

A. -4
B. 20 - 4
C. 16
D. 4


Answer: D

Mathematics

You might also like to view...

Solve. Round your answer to three decimal places if necessary.4x = 16

A. 3 B. 2 C. 4 D. 1

Mathematics

Provide an appropriate response.Simplify 5x + 3 - 2x + 4 by combining like terms.

A. 10x B. 7x + 7 C. 3x + 7 D. 10

Mathematics

Solve the problem. Give an exact answer and an approximation to the nearest tenth.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole?

A.  yd ? 29.7 yd
B.  yd = 342 yd
C.  yd ? 26.2 yd
D.  yd ? 4.2 yd

Mathematics

Identify which graph matches the equation.f(x) = -3(x + 1)2 + 3

A.

B.

C.

D.

Mathematics