Answer:
See Below.
Step-by-step explanation:
We are given:

Using exponent properties:

Rewriting:

Since i⁴ = 1 and i² = -1:

1 to any power is still 1:

This question requires you find the total cost per case
28x=252
divide 28 from each side
x=9
Multiply 9 by 10 to get your answer of $90
I googled how to do markup 50%... and it took me awhile but I think I got the answer, $2.66 + $1.33 (into $1.33 from 2.66 x0.5) and u get $3.99
Sorry If I'm wrong but I hoped I helped!
Answer:
If you miss her then yes you should text her
The percent of variation is 85.1%. If you enter the numbers into a calculator and store the regression equation, it will be the r^2 value when calculated.