Solve
x+y=5 and 3x-5y=7​

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?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Use the equation and type the ordered-pairs. y = 2 ^x