Answer:
i guess u know how to calculate a rectangle
Step-by-step explanation:
https://sciencing.com/area-triangular-prism-8165114.html
1/2 x base x height
1/2 x 6 x 8 = 24 (a)
(2x^3+x+3)/(x+1)=2x^2-2x+3
Answer:
Step-by-step explanation:
3x^2 + 5x + 25 when x = 3
= 3(3)^2 + 5(3) + 25
= 3(9) + 15 + 25
= 27 +15 + 25
= 67
Answer:
Step-by-step explanation:
-20=2(n-3)
-20=2*n-2*3
-20=2n-6
-20+6-2n
-14/2=n
-7=n
