The answers is

You simply add the numerator.
Then you would simiplify to
Answer: $1480
Step-by-step explanation:
He earns $300 per month
x = 300
Plus an addition 2% (0.02) of his sales (y)
x+0.02y
Last month he sold $59,000
y=59000
Mark's income= x+0.02y

The diagonals are congruent
Answer:
90/6=15
Step-by-step explanation:
Answer:
2/10 or 1/5 if you want it simplified
Step-by-step explanation:
9/10 is basically 9 and 7/10 is 7 so 9 - 7 is 2 and we need to add the /10 back so it's 2/10 or 1/5