Answer:

Step-by-step explanation:
There are two variables, q and r in the expression given. To make r the independent variable, it simply means, make q the subject of the formula, so that variable q would be dependent on variable r. As r changes, q changes also.
Thus,

Open the parenthesis

Add 10 to both sides



Answer:
The Total Capacity per bus is 53 people.
Step-by-step explanation:
To work this out you would first minus 8 from the total to find out how many actually went on the bus, and so we do not count the people walking. Then as you know there are six busses you would divide that new total by 6 to find the capacity per bus.
1) Minus 8 from 326.

2) Divide that by 6.

3) Total capacity.
The Total Capacity per bus is 53 people.
This shows that the total capacity per each bus is 53 people.
Answer:
Alex timed 7 by 2 instead of 7 times 7 because 7^2 is an exponent.
Answer:
b. -14
Step-by-step explanation:
x is now 3
so -5(3)+1 = -14