Answer:
10/15 8/12 14/21
Step-by-step explanation:
2x^2 - 4 = 68
add 4 to both sides
2x^2 = 72
divide both sides by 2
x^2 = 36
find the square root of each sides
x = 6, -6
ANSWER: the positive value of x is 6
Negative 1 because 3 x 3 is 9 and -2 x 5 is -10. Therefore 9-10= negative 1
$9.513 per meal. hope this helps :)
I think it’s D, sorry if I’m wrong.
