20 divided by 4 is 5 so
4$ will be for pay as you go.
5$ will be for regular deal
4+5=9 so the all in one deal is 9$
X^-n duals: 1/x^n. You cannot have negative exponents so do its inverse to get rid of the negative exponent
Unbalanced is the answer
hope it helps
Answer:
she makes $6.676 an hour
Step-by-step explanation:
402.17-93.26-41.86=267.05/40=6.67625
X = 6, y = 8, z = 3

3(8) + (6)² = 24 + 36 = 60

= 20