Answer:
26
Step-by-step explanation:
Sydney = x
Devaughn = 2x
x + 2x = 78
3x = 78
x = 78 / 3
x = 26
Hope that helps!
Answer:
Lines 1 and 2.
Step-by-step explanation:
Parallel lines have the same slope. lines 1 and 2 both have a slope of -3
Answer: 18
Step-by-step explanation: Use PEMDAS
Answer:
=2f^10
Step-by-step explanation: