I’m not exactly sure what the question is asking, but assuming that the equation is r=10b^2, then the answer would be r=40.
Answer:
D is the correct answer
Step-by-step explanation:
I just took the test
Step-by-step explanation:
(2160×8)÷(60×2)
Or, 270÷120
or, 2.25.
therefore answer is 2.25
Subtracting 7 and dividing by -3 on both sides shows us that y = -9