Easy, if he has $90 in ALL
and he spends $5 and $15
$20 in total
take, 90-20=70
So now he only has $70 left.
If each ride costs $1.50, then he's losing money.
So, y=-1.50x+70
So around the 47th ride he will have no more money.
I think -4 would be decreasing.
Zero-Exponent Rule: a0 = 1, this says that anything raised to the zero power is 1. ... Negative Exponent Rule: , this says that negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.
The formula for finding the area of a rug:

Plugging in the values we know, we can solve for s.

Take the square root of both sides.


is approximately equal to 8.89
So, 8.89 feet is the answer.
I believe he is correct because you add/subtract from left to right, hence
6-2 comes first.
PEMDAS
()^X/+-