HELP ME PLEASE, will mark brainliest
What is (x2 + 6x - 3) + (2x - 10)

a
x^2 + 5x - 10
b
x^2 + 8x - 13
c
x^2 + 8x + 7
d
x^2 + 5x + 10

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

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

How do you determine if an ordered pair is a solution to a given equation?