Kali has a total of 21 balloons at her party. The ratio of blue balloons to green balloons is 4:3. How many blue balloons did Kali have at her party?

How could you use 1/8 cup measuring cup to measure the light corn syrup 9/12)

The temperature of a freezer started at 18ºC. After cooling for a few hours, the freezer had a temperature of - 12ºC. What is the difference between the new, colder temperature and the original temperature?

A section of a railway has a slope of approximately 0.46. In this section, a vertical change of 1 unit corresponds to a horizontal change of what length? Round your answer to the nearest hundredth.

2 (9a-7) I have to simplify this idk why to do

Write a rate to represent each situation. Then write the unit rate. A car travels 120 miles on 6 gallons of gasoline.

In exercises 1-4 write the expression as a phrase

If: tanx = 3/8 find X (3sf)

The sum of two and the quotient of a x and 5

Work out m and c for the line y=x-5

Calculate mean, median, and mode for each set of data. IQ's: 78, 79, 87, 88, 101, 120, 132