X=30 degrees for each of the congregant angles
Range is any number besides 1,2,3,4
X^2 - x = 7
(x - 0.5)^2 - 0.25 = 7
(x - 0.5)^2 = 7.25
(x - 0.5) = +/- sqrt 7.25
x = 0.5 +/- sqrt7.25
solution set is {-2.19, 3.19,}
Answer:
Decimal: 0.375 Percent: 37.5%
Step-by-step explanation:
