1. the ordered pair (-1, -1) is a solution of the system -4x + 2y = 2 and x + y = -2.
true
false
2. how many solutions exist for the system y = 2x + 5 and y = -0.2x - 4?
one solution
infinitely many solutions
no solution
3. how many solutions exist for the system, x + y = 1 and y = -x + 1?
infinitely many solutions
one solution
no solution

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Does the point (1, sqrt 7) lie on circle shown.

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=