What is 1.8571 equal to in fractions

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

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.