55% of x is 70
0.55 times x=70
divide both sides by 0.55
127.27272727
round
127.3
Answer:
Step-by-step explanation:
From equations (1) & (2), we find:
6x - 8 = - 3x +10
Plug x = 2 in equation (1)
y = 6(2)-8 = 12-8 =4
So,

Answer:
D.) 57
Step-by-step explanation:
x=o
in other words the two angles are equal
Answer:
30
Step-by-step explanation:
the formula is a^2+b^2=c^2
18^2+24^2=c^2
900=c^2
c=30