Let S represent his total salary, And N represent the number of math copies he sold.
ATQ,

His total salary will be the sum of his total salary and the total money he earned by selling the math copies.
About 22 students on each bus if it is equal
Answer:
k= 13
Step-by-step explanation:
The answer is A. You need an additional angle and the side must be between the two angles. It's called the 'included' side.
ASA means Angle, Side, Angle
If I am sure the answer is D