Answer:
a
Step-by-step explanation:
the two lines intercept at 1,-2
Answer:

Step-by-step explanation:
24 + 4y = 12y
- 4y - 4y
__________

I am joyous to assist you anytime.
The answer is what that guys said
(Also what grade is this?)
Answer:
a) Triangle.
b) Triangle.
c) The area is 110 cm.
Step-by-step explanation:
The shape is given because it is a cross section of a Pyramid which we can see shaded in grey.
The area is given by the base times hight devided by 2. So 10cm * 22cm/2= 110cm.
Hope this helped ;)