Answer:
Step-by-step explanation:
7x + 2x =90 (being perpendicular)
9x =90
x =90/9
x =10
substiute the value of x
7x
=7*10
=70
2x
=2*10
=20
Answer:
Yes Anne is correct!
Step-by-step explanation:
18 + 7 = 25.
18 divided by 25 will give us the percentage of how many teens prefers e-books...
18 divided by 25 is 0.72 which is the same as 72%
Hope this helps!!
Answer:
B
Step-by-step explanation:
Answer:
Yes, cells are living, because they make up living things, and can do what most living things are able to, like reproduce.
(3 x 3 - 6) = ?
First, multiply 3 x 3, which = 9
(9 - 6)
Then subtract 9 by 6, giving you 3.
So, :
(3 x 3 - 6) = 3
