(6r+7) + (13+7r) = 13r+20
(7r-3/2) - (2/3+6r) = r-13/6
Answer:
I believe your answer you are looking for is the 3rd option. C
Step-by-step explanation:
This is an arithmetic sequence
f(1) = 7(0) -10 = -10
f(2) = 7(1) -10 = -3
f(3) = 7(2) -10 = 4
f(4) = 7(3) -10 = 11
Answer:
135 is the amount of that she has for now