Who ever can friend me will get 60 pts

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

What is the standard form of -5x^2+2x^4-11+x^3+3x

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?