$180 divided by the minutes in an hour (60)
180 / 60 = 3
They are charged $3 every minute.
Answer:
B
Step-by-step explanation:
A > -18/19 that should be the answer
4b+21=-3b+21+7b
4b+21=4b+21
it means that the expression shows an identity
Answer: 1.704 x 10^9
Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
