C Amy, who uses a rented car
3/5 of the vehicles are cars.
hope this helped.
Answer: x = 20
Step-by-step explanation:
A right angle adds up to 90 degrees. Therefore, the sum of all the angle values must equal 90
x + 2x + x + 10 = 90
4x + 10 = 90
4x = 80
x = 20
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
The empty set (or null set) is a subset of every set.
