Answer:
4
Step-by-step explanation:
Answer:
D its D
Step-by-step explanation:
Answer:
2x+30 = 90
Step-by-step explanation:
The two angles are complementary so they add to 90 degrees
2x+30 = 90
The answer is (1,4) and (-1,-4)
Answer:
x≥88
88
88≤x≤100
Step-by-step explanation:
83x3=249
249-73-88=88
x≥88
88
88≤x≤100