Answer:
Step-by-step explanation:
B + 87 +78 +66 = 360
B = 129 °
the angle next to B then is
180 = 129 + b '
51 ° = b '
A + 61 + b ' = 180
A = 68 °
Answer:
Step-by-step explanation:
4.50 divides by 5 than times the answer by 7
Answer:
-30
Step-by-step explanation:
I'm assuming the equation is 
. If it is not please tell me.
If we know the values of m and n, we can just substitute inside the expression.
Hope this helped!
Answer:
B) 12.5 ft
Step-by-step explanation:
set up a proportion of inches/feet equals inches/feet
let 'h' = height of sign
5.4/18 = 3.75/h
cross-multiply:
5.4h = 67.5
h = 12.5
