Which of these is a unit rate?

1) 18 students in a class

2) 18 students in 18 chairs

3) 18 students in 6 rows

4) 18 students in 2 reading groups

Find the solution for this system of equations. 2x - 3y = 2 x = 6y - 5 x = y =

Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the slope of the line that represents this relationship if time in months is along the x-axis and the number of cars sold is

Lera brought a watermelon that weighed b kg to a party. Nick brought a box of candies. How much is the weight of the box of candies greater than the weight of the watermelon if the weight of the watermelon is 2/5 of the weight of the box of candies?

5 (2x + 6) this is the question

What is the square root of 1/121 with the solution as a fraction?

Sandy has 16 roses, 8 daisies and 32 tulips. She wants to arrange all the flowers in bouquets. Each bouquet has the same number of flowers and has only one type of flower. What is the greatest number of flowers that could be in each bouquet?

Alexis and Jonathan challenged each other to a typing test. Alexis typed 54 word in one minute, which was 120% of what Jonathan typed. How many words did Jonathan type in one minute?

Leona places a cone with a volume of 512 cm3 into a rectangular fish tank that has two square faces, each with sides measuring 20cm, and three rectangular each that are 49cm long and 20cm wide.

Percent increase from 86 to 150

The following table shows the speeds at which Jeff does 444 activities. For example, biking has a rate of 191919 miles in 222 hours.