12 problems = 30 minutes
24 problems = 60 minutes
36 problems= 90 minutes
48 problems = 120 minutes
60 problems = 150 minutes
Mary can respond 60 problems in 2 hours and 30 minutes/ 2 hours and half/ 150 minutes.
Hope this helps xx
Y=f(x)=2x find f(x) when x=2
Plug in
f(2)=2(2) =4
Answer
4
Answer:
9^2
Step-by-step explanation:
we do 3*3 which is 9, and then 9 to the second power
Answer:
The decomposition of the whale enriches the sediment.
Step-by-step explanation:
(72÷2)³ - 7 · 9 ÷ 9
First, parenthesis
72÷2 is 36
Next, exponents.
36³ is 46656.
Then, multiplication.
7 · 9= 63
After that, division.
63 ÷ 9 is 7
Finally, subtraction.
46656 - 7 is 46649
