Which expression is equivalent -21..3)

Step-by-step explanation:

The given expression is

To find a equivalent expression to the given one, we have to first eliminate the parenthesis by multiplying the negative sign with the number inside

Now we eliminated the parenthesis, we have to subtract these numbers, because they have different signs, the result will be negative because they major absolute value is in the negative number

Therefore, the given expression is equal to -3.5

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94