Translate each sentence into an equation.
15. Fifty-three plus four times
cis as much as 21.
16. The sum of five times h
and twice g is equal to 23.
17. One fourth the sum of r and
ten is identical to r minus 4.
18. Three plus the sum of the squares
of w and x is 32
19. The area A of a circle is pi times the radius r squared.