Answer:
4000 + .06x ≥ 7000
Step-by-step explanation:
y = 0.22(12) + .99 = 3.63
A 12 minute call will cost $3.63
Answer:
48
Step-by-step explanation:
The answer is 40, take 21 from the last equation solved and add 8 to it then add 11
Answer:
4455555666666666677777777777777778888888888888899999999999999990000000000000000000000000999999998887654321
Step-by-step explanation: