Answer:
Step-by-step explanation:
Lets break each problem down before we answer it so it help to understand what we are looking for.
Vocabulary:
Unit Rate: how many units of the first type of quantity corresponds to one unit of the second type of quantity. (12 inches to 1 foot)
Unit Rates:
Problem 1: Top left
A boy delivers 189 papers in 3 hours

Unit Rate: 63 papers delivered per hour
In simple terms, all we are doing is creating a fraction then simplifying it :)
Problem 2: Top right
It costs $8.40 for 12 cupcakes

Unit Rate: For every $0.70, it costs one cupcake
Problem 3: Bottom left
5 miles in 50 minutes

Unit Rate: For every one mile ran, it takes 10 minutes
Problem 4: Bottom right
375 passengers distributed between 5 cars

Unit Rate: For ever 75 passengers, there is one car
Hope this Helps!
17^2 = 289
18^2 = 324
Any of the numbers between 289 and 324 exclusive will have a root between 17 and 18
Eg sr(300) = 17.3205... is between 17 and 18 on the number line.
There are 33 other whole number answers you could pick
Multiply first then you would wanna add but you can't until you subtract 5-3 then add I got 12
It would be 44 in. The reason being the equation to find circumference is:

You use 3.14 for pi and the radius is 7.

43.96 rounded to the nearest inch is 44.