Select the correct answer. To solve this system of equations using substitution, what could be substituted in place of y in the first equation?

4x = 5 − 2y
y − 2x = 7

A.
7 - 2x
B.
4x - 5
C.
5 - 4x divided by 2
D.
2x + 7

What are correct trigonometric ratios that could be used to determine the length of ln

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36