Answer:
Step-by-step explanation:
First, these are points in a plane, hence should be (-1,2) and (7,3)
Then we'll have
-1+7=6/2=3
2+3=5/2=2.5
Then midpoint is (3,2.5)
To set up the equation you would take x and add the nine pounds that Charlie weighs more than his brother and the set that equal to 99. Your equation would be X+9=99. If you wanted to take it a step further and solve the equation you would distract 9 from both sides which means that x=90
Answer:
D. They are not commutative, because f(g(x)) and g(f(x) are not equal.
Step-by-step explanation:
I guessed and got it right xD
9 more keepers would need to be added i believe <span />
Answer:
D) 25x^2-1
Step-by-step explanation:
(5x+1)(5x-1)
25x^2+5x-5x-1
25x^2-1
