» Solve for r.
8r = 40
r=

r = 5

Step-by-step explanation:

to evaluate for the value of r  8r = 40is quite simple ,

simply divide both sides by the coefficient of r which is 8

solution

8r = 40

divide both sides by  he coefficient of r

8r/8 = 40/8

r = 5

i dont know sorry

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b