Which of the equations represents the graph below? y=√x-3-4
y=√x-3-5
y=√x-5-3
y=√x+3-5

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Need on this geometry question. explain how you did it.