I need help .

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!

no problobm

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: