Answer: 
Step-by-step explanation:





Answer:
80°
Step-by-step explanation:
Triangle ABC and CYZ are similar so the angles would also be same
Answer:
(f + g)(x) = 5x - 3
Step-by-step explanation:
(f + g)(x)
= f(x) + g(x)
= 2x + 4 + 3x - 7 ← collect like terms
= 5x - 3
1- 3(-2^2t)-7
2- 12+5=17
3- -10-6= -16
4- 2(-5^3)= -250
I can’t find the first one because of t