For each expression, combine like terms and write an equivalent expression with fewer terms.
a. 4.2 +32
b. 3.x +5x-1
c. 5+2+7+4.0
d. 4- 2x + 5.0
e. 10. - 5+ 3.1 -- 2

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb

320ft

step-by-step explanation:

120 divided by 3 equals 40

40 times 4=160

160 times 2=320