Solve for x: 10x - 4x = 35 + x
A. x=4 B. x=5 C. x=7 D. x=9

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x