Consider this option:
1. formula of perimeter is: P=2(a+b), where a & b - the sides of rectangle.
2. according to the condition 2(x+(x+4))<120; ⇒ x<28
answer: D. x<28
X + 9 = 2x - 3
<u>-x -x </u>
9 = x - 3
<u> +3 +3</u>
12 = x
Shesp ends reading 219 hours reading that book
Answer:
21
Step-by-step explanation:
5×3=15
7×3=21
Answer:
17+75=?
Step-by-step explanation: