( Please answer ) Five friends each spent $9 on bowling games and
$3.50 on shoe rentals. Which expression cannot be
used to find the total amount the friends spent?

A. 5($9) + 5($3.50)

C. 5($9 + $3.50)

B. 5($12.50)

D. 5($9)

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.