Simplify each expression.
--5(- 10)
36x2
O 4x+ 36x2
-5x+ 50
9x +36x2

1) -50

2) 72

3) 4x( 1 + 9x)

4) -5x + 50

5) 9x ( 1 + 4x)

Step-by-step explanation:

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540