How to calculate Relative frequency

How I can calculate 3/4 of 36

In an after school soccer club 143 students are divided into teams with the same nuber of players on each team. How many teams are thereand how many students are on each team

What is the partial quotient form of 514 divided by 28

What number is 30% of 80?

If a+b=s and a-b=t, then which of the following expresses the value of ab in terms of s and t?

Part A If you create two line segments, one vertical and the other horizontal, to connect with line segment GH to form a right triangle, how long will the vertical and horizontal line segments be?

Ben walks 2/5 miles in 1/4 hour. what is ben's speed in miles per hour?

How do you find the solution of this proportion? 4/9 = m2-1/54 m2 is m to the power of 2

A rectangular park has an area of 64 square yards. If we multiply its length and width by 12, what will be the area of the new rectangle?

A town uses positive numbers to track incresses in population and negitive numbers to track decresses in population. The population had decressed by 300 residents over the past 5 years. The same numbers of residents left each year.