Answer:
68.8
Step-by-step explanation:
delta math
He has to make a 95.
77*5=385
80*6(tests)=480
480-385=95
Answer:
Step-by-step explanation:
Y = - 3x. Equation 1
x + y = - 4 equation 2
Putting value of y
x + (-3x) = - 4
x - 3x = - 4
-2x = - 4
x = - 4/-2 = 2
Putting value of x in the equation 1
Y = - 3(2)
Y = - 6
Undo the X first...........