Which explain whether or not the function shows direct variation

A company's board of directors wants to form a committee if 2 of it's members. There are 8 members to choose from. How many different committees of 2 members could possibly be formed?

Consider the line 5x+8y=-7. What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?

The price of a used car that Billy is buying is $5,000 if he has to pay 8% in taxes how much will he have to pay for the car including taxes

On a particular day, the wind added 4 miles per hours to Alfonso's rate when he was cycling with the wind and subtracted 4 miles per hour from his rate on his return trip.

What is the answer to this equation - 8=4-3k

How do I graph and find slope intercept for for x+y=0

Simplfiy 12 the square root of 3 over12 and the square root of 7?

78% of 3 feet is how much inches

To which pplace value is the following number rounded? 5.927 to 5.93

How many two digit whole numbers are increased by 18 when their digits are reversed?