the table at the right gives the number of hours spent studying for a science exam and the final exam grade. what type of relationship does the data show? explain. (pls-) (scatter plots and lines of best fit) 2 5 3 1 0 4 3 Study Hours 84 77 92 70 60 Grade 90 75

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

(x) - (y) = (1 + 4i)