Answer:
yes he is correct. he spent 125% more time
Step-by-step explanation:
his original time spent was 20 hours
he spent a new time which is 25 hours
increased time = 25- 20 = 5 hours
% increase = increase/ original ×100%
%increase = 5/ 20 ×100%
= 1/4 ×100%
= 25%
total increment = 100 + 25 =125%
Answer:

Step-by-step explanation:

Add or subtract like terms.

Answer:
40
Step-by-step explanation:
If you divide.40 into 9 you will get 22.5 which is your answer
Answer:
he subtracted the wrong coordinates to find the horizontal leg
Step-by-step explanation:
It should be 4-(-3) but he labeled 4-(-1)