Which answer is a solution of the equation?
2x+y=5
a) (2,-1)
b) (3,-1)
c) (1,2)
d) 5

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.

Find the arc length of the semicircle. 7the grade

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great