7. Identify the correct congruence statement.

Step-by-step explanation:

in ∆ABC and ∆ADC

AB = AD (given)

AC = AC (common)

angle ACB = angle ACD = 90° (Given)

therefore,

∆ABC = ∆ADC

therefore, option C is correct

hope this helps you!

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).