Answer:
z+15
Step-by-step explanation:
Cross multiply and divide. 70z = 42*25
Hope this helps!!
Answer:
x=1
y=-4
Step-by-step explanation:
4x+y=0 -> y= -4x
2(-4x)+x=-7
-8x+ x=-7
-7x=-7
x=-7/-7=1
y=-4 . 1 = -4
Red line slope=3/4
Blue line slope=2/3
Step-by-step explanation:

The correct answer is C.) 100 feet
(Feet per minute) x (number of minutes)
20x5 = 100