Answer: Alright, let's see here...
1 - binomial
2 - trinomial
3 - monomial
4 - none of the above
5 - trinomial
6 - binomial
The difference between these terms is that a monomial has one term, bi has two, tri has three. Once you understand how these equations are built then they become relatively easy to see and distinguish from one another. Now math is not my strong suite so 4 could also be a trinomial but I'm pretty sure it's none of the above. Good luck!
7 - 12 fry my brain too much to do.
Step-by-step explanation:
math
Answer:
8.

11.

Step-by-step explanation:
Area = 
r = d/2
= 3.14
8.
r = 10/2
r = 5 in
Area = 
Area =

10.
r = 6/2
r = 3 m
Area =
Area =

Hope it helps! (:
The orthocenter is the point where the three altitudes meet.
sketch the graph and you will see that AB is a horizontal line, the altitude is a vertical line through the point (1,3), so the equation of this altitude is x=1
next, find another altitude. I'll use the altitude of BC.
the slope of BC is (6-3)/(4-1)=1, so the slope of the altitude, which is perpendicular to BC going through the point A (0,6), is -1, the equation of the altitude of BC is y=-x+6
the system of equation : x=1
y=-x+6
has a solution (1, 5)
the solution is where the two lines meet, the meeting point is the orthocenter.
Double check by find the equation for other altitude:
slope of AC: (3-6)/(1-0)=-3
slope of altitude of AC: 1/3
equation of altitude of AC: y=(1/3)x+b
the altitude of AC goes through point B (4,6), so we can find out b by plug x=4, y=6 in the equation: 6=(1/3)*4+b, b=14/3
y=(1/3)x+14/3
Is (1,5) also a solution to this equation? Plug x=1 in the equation, we get y=5, so yes, (1,5) is a point on the third altitude.
I believe d has to be the right answer. I solved the problem backward so the explanation would be confusing. Try subtracting the 22 degree angle from 180.