Ummmm you need to give context. But if this helps.. all triangles add up to 180 degrees.
Answer:
h(1) = 7
Step-by-step explanation:
h(x) = 4x + 3
h(1) = 4(1) + 3
h(1) = 4 + 3
h(1) = 7
Answer: for number 2 it is 4.18
3 it is 11.75
4 is 2.6
5 I think is B
And for 6 I think is D
I am very sorry if this is wrong. But I hope this helped
Step-by-step explanation: