Answer:
Step-by-step explanation:
α + β = -b/a
αβ = c/a
α² + β² = (α + β)² - 2αβ

Answer:
D
Step-by-step explanation:
complementary sums until 90 degrees
90-13=77
If 48/64 are both divided by 8 you would get 6/8! these can still be reduced to 3/4, So FALSE!
10 - 2x = 120
120 + 10 = 130
130 / 2 = 65
x = 65
2(65) - 10 = 120