Aradio show last for h hours for every 60 minutes of air time during the show there are 8 minutes of commercials the expression 60h-8h represents the air time in minutes available for talk and music simplify the expression by combining like terms

Step-by-step explanation:

It is given that a radio show last for h hours for every 60 minutes of air time during the show there are 8 minutes of commercials.

The expression represents the air time in minutes available for talk and music .

Since bothe the terms in the given expression are like terms as they have same variable h.

So by combining like terms, we get the fllowing expression:

 [Since 60-8=52]

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

12

step-by-step explanation: