90 minutes because 20 + 20 + 20 + 20 + 10 = 90
Answer:
-12p+p^2+36
Step by step explanation:
(-p+6)^2 is the square of -p+6
we use the formula
(a+b)^2=2ab+a^2+b^2
(-p+6)^2=-12p+p^2+36
the minus of p disappears
Answer:
y=-8/3+31/3
Step-by-step explanation:
Just ask!
Hope this helped! :)
Answer:
B, 51, 60, 69
Step-by-step explanation:
15 + 9 = 24
24 + 9 = 33
33 + 9 = 42
So the next numbers should be 9 "away" from the previous number.
42 + 9 = 51
51 + 9 = 60
60 + 9 = 69
So the answer is B
X2 + 4x + 2x + 8
x2 + 6x + 8
Answer: (x + 4)(x + 2)