Answer:
3n - 5
Step-by-step explanation:
f(n) = 3n - 5. Works for all of them
Answer:
A
Step-by-step explanation:
Im pretty sure its A because
55ish plus 15ish equals 70 which is their ages combined
55-60 is also 4 x 15
Answer:
(5c-d)/a = b
Step-by-step explanation:
First you would bring the d to the right side of the equation
ab=5c -d
Then, you will divide the right side of the equation by a to find the value of b
(5c-d)/a =b
Hope this helps!!!
Answer:
Step-by-step explanation:
Let John's age be x. This gives us that in 11 years, john's age will be 5 less than 5 times his current age. Therefore, we could get: 
. This is your second equation. Solving for x, we get 4x=16 so x=4.
0,2 is the answer since that’s where both lines intersect
