Answer:
23 degrees
Step-by-step explanation:
6x + 42 = 180
x = 23
4,4,4,5,5,5,6,6,7,8,8,8,9,10,10,10,10
It is the number 7.
Answer:
6(a+b)= -90
Step-by-step explanation:
6times sum of a and b is -90
6(a+b)= -90
5^2=25
25-(2x7^2)
7^2=49
25-(2x49)
49x2=98
25-98=-73
Answer= -73