(x-7)^3 should be the correct answer.
Answer:
your allowance is $25 and your friends is $15
Step-by-step explanation:
40/8*3=15
40/8*5=25
So for the first one think of it as decimals so it’s easier: 9.20-7.35, subtract and it would be 1.85 so since we use decimals to make it easier it isn’t actually a decimal so it would be 2 hours and 25 minutes. And for the second one you just add 50 minutes to that and you would get 3 hours and 15 minutes.
Answer:
Therefore
and
Step-by-step explanation:
Remember that if
= Identity Matrix
then .
Also remember that for any invertible matrix
Identity Matrix.
Therefore
Therefore
and