Answer:
16.6
Step-by-step explanation:
The rectangle has an area of 105. It's width is 7.
1: Find the length
=length
= 15
Length=15
2: Pythagorean theorem

+
49+225=
275=
= 
16.55≈c
Rounded to nearest tenth
16.6
Answer:
11, 12, 13
Step-by-step explanation:
x is the first number
(x + 1) is the second number
(x + 2) is the third number
x + x+1 + x+2 = 36
3x + 3 = 36
3x = 36 - 3
3x = 33
x = 11 ← the first number
the second number = x + 1 = 11 + 1 = 12
the third number = x + 2 = 11 + 2 = 13
The answer to 84 divided by 4=21.
Cost : Selling Price
175 : 300
175 ÷ 25 : 300 ÷ 25
7 : 12