Answer:
The first one lol
Step-by-step explanation:

Now we must solve this equation if x = 5. To do so we must substitute:

Using PEMDAS we will solve for the parenthesis first.

Multiply:

Add:

Final answer: 62
There is no graph, but it should be the one thats a parabola but its kind of wider
Answer:
70 degrees
Step-by-step explanation:
The sum of the degrees of angels in a triangle is always 180degrees. So now you know F = 20degrees and D is a right angel meaning it is 90 degrees, all you have to do is use 180 - 20 - 90 = 70degrees