5. Which one choice is written in scientific notation. A. 0.2 x 107
B. 11 x 10-8
C. 1.01 x 10-2
D. 82 x 10°

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Which of the following expressions is equal to 2x^2+8

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10