Help please, again, sorry I’m struggling

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x