5. Freida goes to McDonald's with her friends. They buy 3 Big Macs, 1 Chicken Nuggets, 2 Fish-O-Filet, 6 French Fries and 6
Cokes. McDonald's also charges 8.25% sales tax. How much will
Freida and her friends pay for the meal, including taxes. If
Freida pays the cashier $80, how much change will she get back?

ian gonna lie that is way to much

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

7.3

step-by-step explanation:

answer: 94

step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90