Ok this is simple. first, lets look at the 123 angle, so the entire line is 180. subtract 123 from 180 and you have 57. a triangle will always add up to 180 degress aswell. so add 58 and 57 and thats 115. so since a triangle will always add up to 180, subtract 115 from 180 and you have the missing angle:
65!
Yes so i do need to doing the times and multipics then get a fraction then u will get tot eh answer
Answer:
6 times 3 times 4
18 times 4
= 72
Step-by-step explanation:
hope this helps good luck
Answers for A:
Factored form: (x-2)(x+4)
Zeros: x = 2, -4
Vertex: (-1, -9)
Answers for B:
Factored form: -(x+2)(x+7)
Zeros: x = -2, -7
Vertex: (-9/2, 25/4)
Sorry, It seems like i dont have a sign to look of of, I can help you when you post that though!