Kathy’s father thinks she spends too much time on the phone. he wants to see how much time she spent talking last month, but he does not have the phone bill; he has only his checkbook, which tells him that her bill last month was $110. the phone company charges a monthly base fee of $50, plus ten cents per minute. how many minutes did kathy spend on the phone last month?

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.

4y - 6 + y^2 - 9 = y^2 + 4y - 15

y^2 term

terms

- terms

total of 3 terms when simplified

step-by-step explanation: