Plz help will mark as brainliest

a) 245$

b) 8 hours

Step-by-step explanation:

a) 7 hours x 35$ = 245$

b) 252$ - 40$ (because the fixed charge isn't related to the hours.

=212$ for how many hours?

divide 212 by 26.50$

212/26.5= 8 hours

see explanation

Step-by-step explanation:

(a)

7 × $35 = $245 ← amount painter gets paid

(b)

Subtract the fixed charge of $40 from the payment

$252 - $40 = $212

now divide this amount by hourly rate for hours worked.

$212 ÷ $26.50 = 8 hours worked

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high