Answer:
225 miles
Step-by-step explanation: I like your name LOL
Answer: -3
Step-by-step explanation:
4 because 5 times 4 is 20 and 3 times 4 is 12
the first one is not a function :)
x=5, y=-10
y = x²-10x+15 --- eqn 1
y = -10 --- eqn 2
Sub eqn 2 into eqn 1:
x²-10x+15 = -10
x²-10x+15+10 = 0
x²-10x+25 = 0
(x-5)² = 0
x-5 = 0
x = 5