Answer:
D
Step-by-step explanation:
1) 38cm
2) 2304cm^2
3) 64cm^2
To find the area you multiply the sides
To find the perimeter you add the sides
Answer:
I don't recognize this problem, please make sure the input is complete.
Step-by-step explanation:
sry
Answer:
Increased by 5%
Step-by-step explanation:
Let at the beginning the student's score be
points.
At first, it increased by 40%. So, the new score is

Then it decreased by 25%, so the new score is

At the beginning of a month the score was
and at the end of that month the score was
. Since
the score increased by 
Convert 20% to a decimal by dividing by 100, = 0.20
16,000 x 0.20 = 3,200 deposit she paid. Subtract that from the total cost
16,000- 3,200= 12,800