The diagram below shows the relationship between the number of blue paint cans and red paint cans needed for an art project. blue
red
blue
red
blue red
Based on the diagram, what is the unit rate for this project?
OA
1.5 red cans per blue can
ОВ.
2.5 red cans per blue can
Ос.
2.5 blue cans per red can
OD
1.5 blue cans per red can

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a. she will receive a refund of $278.

step-by-step explanation:

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