If a=5 and b=8. work out the value of the following:
3a + 5b -2 + 7
5a + 7b- 7 + b'
multiply out the following brackets:
4f (8 + g) - 10f
8n (3m + 8n) + 2n"

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?