Answer:
A.-2/3
Step-by-step explanation:
formula of gradient
dy/dx=y2-y2/x2-x1
1-3/-2-(-5)
=-2/3.
The surface area would be 17.6ft2
Explanation:
2 x 1 x 1/2 = 1
2 x 1 x 1/2 = 1
3 x 1 = 3
3 x 2 = 6
3 x 2.2 = 6.6
6.6 + 6 + 3 + 1 + 1 = 17.6
Answer:

When squaring a fraction, square both numerator AND denominator