Answer:
-13b
Step-by-step explanation:
(2b^2 - 5b) - (7b + 3b^2)
-3b^2 - 10b^2 = -13b
X is cookies were sold and y is brownies were sold
{x+1.5y=32
-
{x+y=25
0.5y=7
y=14
x=25-14=11
Tiffany and Adele sold 11 cookies and 14 brownies
Answer:
I think they are-
Step-by-step explanation:
I have never learned this so please don't put every single last bit of trust in me- But I believe they are congruent-
Answer:
7x^2 + 7
Step-by-step explanation:
So you collect the "like-terms". 3x^2 is not the same as 7, however, 4x^2 has the same term as 3x^2, so you add those together and then join the 7 in the expression.
Hope that explanation makes sense
Answer:
evwrvr
Step-by-step explanation: