What is the formula for finding the perimeter of the quadrant of a circle with radius 7cm

5x−4≥12 or 12x+5≤−4 can you with this problem

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.

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?