The area of a right triangle with side lengths 7 and 7 is 
To make a dot plot, make a numbered line and add dots above the numbers of the given ages. If there are more than one of the same number, add a dot above the dot already there.
See attached picture:
Answer:

Step-by-step explanation:
I assumed that the numbers after the spaces were powers. This question was rather unclear.
Answer:
What do you mean work a 45-45-90 degree angle... could you provide a picture of what you need to learn.
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
That'd be "2/1 divided by 1/4" and if we use common denominators we get:
2 8
----- = ----- divided by 1/4 comes out to 8/1, or just 8
1 4