Answer:
Gradient is change in y over change in x.
gradient = y1-y2 ÷ x1-x2
=7-11 ÷ 3-5
=-4 ÷ -2
=2
I don't have a clue what this a0 at the right stands for, but if we neglected it, we can solve the problem.

So the answer would be 25.
Hope this helps.
Step-by-step explanation:
a)
135
/ \
3. 45
/ \
3. 15
/ \
3. 5
b)
250
/ \
10 .25
/\ / \
2 5. 5 5
c)
351
/ \
3. 117
/ \
3. 39
/ \
3. 13
Hope it helps :)

<span>his average speed is </span>12 2/3 kilometers per hour
Answer:

Step-by-step explanation:
Given



Required
Find r
From the question, we understand that G is a point between D and M:
This implies that:

Substitute values for DM, DG and GM

Collect Like Terms


Solve for r

