Paul placed black and white square tiles on a rectangular floor using the pattern shown below. If the entire floor measures 9 feet by 12 feet, what is the total number of black tiles that Paul used?

you have to show the pattern

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

you go to prefence in the settings and youll see a "i want to delete my account.

step-by-step explanation: