Mixed Number and improper fractions

What is the answer to 3r^2 - r = 0

How many of the rings are 1/2 carat or more

What are the roots of the equation 2x^2-6x+3=0

Which of the following is equivalent to 7 (x-5) + 2 (6-x) = 12?

The fuel efficiency of passenger cars has increased significantly since the 1970s. A linear model of this situation is given below, where x represents the number of years after 1970, and y represents the average miles per gallon. Interpret the slope.

Patricia paid $584 for 8 nights at a hotel. Find the unit rate

A retaller paid $33 for a lamp. What price should she sell the lamp for if she wants to make a 35% profit?

Three times a number + 12-5 times the same number is 22. What is the number?

A baseball Player hits a ball 360 feet to the outfield it takes the ball for seconds to travel this distance. How many feet does the ball travel in 1 second

10/11 in simplest form