Nearest hundredth. 2) Shawna can pour a large concrete driveway
in six hours. Dan can pour the same
driveway in seven hours. Find how long it
would take them if they worked together.

44

step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

0,0

step-by-step explanation: