Answer:c
Step-by-step explanation:
anser :c
Answer:
89
Step-by-step explanation:
Answer:
x _ a
Step-by-step explanation:
because if a is zero .then they should be subtraction
Answer:
the third angle= 180-x-(4x+15)
Step-by-step explanation:
if we subtract the two other angles the result will be the measure of the last one
Answer:
1 2/3 = m
Step-by-step explanation:
2/3 = m+3/5 -8/5
Combine terms
2/3 = m-5/5
2/3 = m -1
Add 1 to each side
2/3 +1 = m-1+1
2/3 +3/3 = m
5/3 = m
1 2/3 = m