15. Erica can run 4 miles in 56 minutes. How many miles does Erica run if she runs for 12 minutes A 2 miles
B 3 miles
C 3.5 miles
D5 miles

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

This question awards 100 ! i really don’t want to fail i will also mark you !

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)