Plz i need help for my exam 100 points What is the solution to this system?
x= 7 - 2y
2x + y = 5

(3,1)
(4,-1)
(1,3)
(-1,4)

Solve the equation by completing the square. x^2+2x=17

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?

Dagne measures and finds that she can do a vertical jump that is 27.5% of her height. if dagne is 48 inches tall, how high can she jump? enter your answer in the box. inches