X = 4y
3x - y = 70
substitute the x in the second equation with the other half of the first equation.
3(4y) - y = 70
12y - y = 70
11y = 70
y = 6.36 repeating, or 6 4/11
now use this to solve first equation
x = 4 (6 4/11)
x = 25.45 repeating
done
Answer:
Step-by-step explanation:
-9(-4w-v+5) = -9*(-4w) - (-9)*v + (-9)*5
= 36w + 9v - 45
Answer:
D
Step-by-step explanation:
it's the only one where the y of each point has a linear (even if constant) trend, the others go up and down
Answer: 36°
Step-by-step explanation: