Answer:
-134
Step-by-step explanation:
Answer:
8-12n
Step-by-step explanation:
We can name "a number," "n."
4(2-3n)
Distribute.
4*2=8
4*-3n=-12n
8-12n
Answer:
negative 0.25
Step-by-step explanation:
-4k + 3 = -9(-7k)
+7k +7k
3k + 3 = -9
-3 -3
3k = -12
3k divided by -12
-0.25 is the answer
P = 2(L + W)
P = 400
L = W + 40
400 = 2(W + 40 + W)
400 = 2(2W + 40)
400 = 4W + 80
400 - 80 = 4W
320 = 4W
320/4 = W
80 = W.....so the width (W) = 80 yards
L = W + 40
L = 80 + 40
L = 120...and the length (L) = 120 yards