Answer:
68.
Step-by-step explanation:
The common difference d = -19 - (-22) = 3
So the 31st term =
a31 = -22 + (31-1)3
= -22 + 90
= 90 - 22
= 68.
To find the lateral surface area of a pyramid, you can find the area of each triangle, A = 1/2bh or A = 1/2lw, then multiply by the number of triangles, which would be based on the number of sides of the base; or you can take half the perimeter and multiply by the slant height.
I'm going to out on a limb and say 16 in.
4 pieces * 4 in. = 16
This is so easy. You should try before posting a question on this site. No offense.
Having said that im still here to help :)
10. 4,2 -3,5
11. Sorry dont know this one
12. Plot a point at -3,-4 label is Resturant
13. Plot a point at 0,-3 label it Beth
I will only post these ones, The others are extremely simple.