Answer:
choose b and d
distribute the number outside the parenthesis to each term on the inside of the parenthesis.
Answer:
1) r = 24
2) 10
3) 1/4 ton
4) 9.9 feet
5) 5
6) 2 meters
7) 12
8) 79%
9) 9/25
10) 21 students
Step-by-step explanation:
A forms a proportion, 28x4=112 and 3x4=12.
B does not form a proportion.
Area= Length x width
So....
Length= Area divided by width.
Plug in equation
20 divided by 5= L
L= 4
Answer is 4 cm