18+8/4x2
18+8/8
18+1
PEMAS
parentheses,
a polygon with seven sides is called a heptagon
Answer:
6
Step-by-step explanation:
x = y
y = 2, then 3x =3y=3*2=6
Answer:
405
Step-by-step explanation:
45% of 900
=(45/100) . 900
=405
3x+2x-13=47
5x-13=47
5x=60
x=12