Answer:
D
Step-by-step explanation:
x^2+2x-5-(-3x^2-4x+1)
x^2+2x-5+3x^2+4x-1
4x^2+6x-6
Answer:
Do it your self
Step-by-step explanation:
Gross
Answer:
Triangle
Step-by-step explanation:
The triangle has the formula that have b*h/1/2.
Answer:
2t
Step-by-step explanation:
The expressions are not the same because different terms are negative. We can visualize the difference by rewriting the expressions as 13t + (-2t) and (-13t) + 2t. In the first expression, 13t-2t, the 2t is negative because it is being subtracted, and subtracting a number is the same as adding a negative.
It is asking what 7/8 of 2/3 is. The "of" means you need to multiply. 7/13 is the answer.
