1 5.2.3 Quiz: Completing the Square Question 3 of 10
Solve this quadratic equation by completing the square.
x2 + 4x = 15

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

a 10 percent increase

what? ?

what type of question is thiss

step-by-step explanation:

i pretty sure it is