Explain why there should be at least two lines given on any plane

A freight train traveled 144 miles in 6 hours. At what rate, in miles per hour did the train travel?

Kathen spent $231 on a concert tickets for herself and 11 friends. Each ticket cost the same. Find the cost of each ticket.

Find the vertex of this parabola: y = - 4x^2 - 8x - 6

The rain gauge after a week showed that there were ten inches of rain. Every day the rain evaporated two inches but one more inch of rain was added. By what day was the rain gauge free of water?

Do I add all the GPAs together and then add all the GPAs above Salley and then subtract them from each other?

A 16 foot board is to be cut up into lengths 3 1/4 feet long. How many boards can be cut?

The quotient of 27 less than m and twice m

In one 8 - hour day, Bella's Ice Cream Shop sold 72 cones of ice cream. In one hour, they sold 9 cones of ice cream. Is the total number of cones sold in one hour proportional to the number of cones sold during the day? Explain.

The branch of statistical studies called inferential statistics refers to drawing conclusions about sample data by analyzing the corresponding population. True or False

Simplify the expression - 6 (10+9v)