Answer:
$12.50
Step-by-step explanation:
20 - 7.50=12.50
Answer: 9cm
4(x)=4x
1.) 70+4x=106 (subtract 70 on both sides)
2.)4x=36 (divide 4 on both sides)
3.)x=9
36 I think, also to fintd the are of an object you count how many shapes its in the object:).
It would be equal to 15 - (18)