How do you solve for a and b showing your work

a) 4

b)

Step-by-step explanation:

PART A

Simplify the expression by solving out the square roots.

=

You can cancel out the on the top and bottom.

So, a should be 4.

PART B

Solve out the square root. The square root is pretty much the 1/2 power, so you can divide the exponents by half.

=

You can subtract exponents to divide them. So the y variable becomes , or .

Then, the overall expression is , or you can turn that into .

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas