Hi do u want me to give you the answer or give u the formula?
Hello,

That means that we must first obtain x, then we replace x in the function to get y, so:
Answer: V=(-4 , -4)
Answer:
Step-by-step explanation:
Answer:
4r + 4(r + 3) = 68
r = 7 miles per hour
r + 3 = 10 miles per hour
Step-by-step explanation:
distance = rate * time
a)
4r + 4(r + 3) = 68
Distribute
4r + 4r + 12 = 68
8r + 12 = 68
8r = 56
r = 7 miles per hour
r + 3 = 10 miles per hour