21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. How many trucks, each with a 3.5-ton payload, would be needed to do the same job? What is the constant of variation?

Farmer Holstein weighed each of his cows. He found that Jo weighs 711 kilograms, Marty weighs 533 kilograms, and Jennifer weighs 664kilograms. Find the mean weight.

If f (x) = x + 8 and g (x) = - 4x - 3, find (f + g) (x).

If 67, 494, 503 is 30% of a number, what is the value of that number?

What's 6/2 equivalent to

In Miss Marshalls classroom 6/7 of the students play sports of the students who play sports for fifth also play instruments if there are 35 students in her class how many play sports and instruments

Alberto is stacking firewood. He puts 20 logs on the bottom row. Then he stacks each row so that there is 1 fewer log than the row below. Which of the following is formed by the number of logs in 10 rows? A. an arithmetic series B.

Medal The table below shows the distance y, in miles, traveled by a toy car in x minutes: Time (x) (minutes) 10 20 30 40 Distance (y) (miles) 4 8 12 15 Part A: What is the most likely value of the correlation coefficient of the data in the table?

A clock is shown. The hour hand is at 9 and the minute hand is at 12. What is the sector area created by the hands of a clock with a radius of 9 inches when the time is 4:00? 6.75π in. 2 20.25π in. 2 27π in. 2 81π in. 2

A school bought $548 in basketball equipment and uniforms costing $29.50 each. The total cost was $2,023. write and equation you can use to find the number of uniforms the school purchased.

A cube with faces numbered 1 through 6 is rolled 75 times and the results are given in the table below