Is 2.5 a rational number? why?

Six people participated in a checker tournament. Each participant played exactly three games with each of the other participants. How many games were played in all?

A rectangle is 12m longer than it is width its perimeter is 68m find its length and width

An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes. How many 4 dip sundaes are possible if order is not considered and no flavor is repeated?

Shawn and Dorian rented bikes from two different rental shops. The prices in dollars, y, of renting bikes from the two different shops for x hours is shown. Shop Shawn used: y = 10 + 3.

There are 94 suitcases in number one cargo bin. there are two cargo bins to be loaded on the airplane. the second bin contains 214 suitcases and the third 103 suitcases.

Which amount of tickets offers the best deal? Ticket Booth: a.) 1 ticket for. 50 cents b.) 12 tickets for $5.00 c.) 25 tickets for $10.00 d.) 50 tickets for $25.00

A rental car service charges $25 to rent a car, plus $2 per mile. If x represents the number of miles driven, then the expression for the total cost to rent the car is 2x + 25. Which table shows the total cost to rent a car?

What is 8,800 - 3,300

A pool service charges $40 per year for chemicals plus $70 per month for pool care. A second pool service's charges are shown in the table below. Number of Months (x) : 2, 3, 6, 8. Total Charge (y) : $190, $255, $450, $580.

What is the area of a rectangle with the length of 91 inches and a width of 45 inches?