Answer:90
Step-by-step explanation:
My reasoning is because it makes a right angle and a right angle is equivalent to 90 degrees
Answer:
the rate of change is-3 2
Answer:
40
Step-by-step explanation:
This is essentially just (4/3), or 
. (4/3)*30 = 40, so our answer must be 40. Just to check, taking 75 percent of 40, we indeed get 30!
Let the collection of comic books be x.
4 times the number of comic books in her collection = 4x
3( x + 15 ) = 4x - 65
3x + 45 = 4x - 65
45 + 65 = 4x - 3x ( move all the similar variables to one side of the equation )
x = 110
ans : 110
The answer is 90 which is none of these
