(slope) The higher the gradient<span> of a graph at a point, the steeper the </span>line<span> is at that point.</span>
7 - 4 ( d - 3) = 23
7 - 4d + 12 = 23
Subtract 12 from both sides,
7 - 4d = 11
Subtract 7 to both sides
- 4d = 4
Divide -4 to both sides
d = -1
Answer:7/8 8/7
Step-by-step explanation:
The answer would be 54, because A= PQ over 2 = 9 x 12 over 2 = 54
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