Jared bought eighteen doughnuts to share with his coworkers. If each doughnut cost c cents, which expression represents his total cost?

1. 18 + c

2. 18 - c

3. 18 ÷ c

4. 18c

Lin's goal is to drink 8 cups of water every day. She drink 37 others before lunch today. How much more water does Lin need to drink today to reach her goal?

3. Can we multiply a 2x3 matrix by a 3x2 matrix? If yes, what dimensions will the product matrix AB have?

What is the distance between (-2 and one-half, - 3) and (1, - 3) ?

How to convert from grams to pounds?

Of the 22 students in the class, 16 of them are boys. If one student is picked at random, what is the probability that the student will be a boy?

The area of triangle ABC is 24 square centimeters. If 4 cm 8 cm 16 cm 32 cm

Add: 645,7894 and 859

Maggie is rock climbing. After reaching the summit, she descends 14 feet in 2 1/3 minutes. If she continues at this rate, where will Maggie be in relation to the summit after 8 minutes

Sarah walks 3.1 kilometers on Monday and 1.35 kilometers on Tuesday. On Wednesday she walks 2.4 times as far as she walked on the previous two days combined. How far does Sarah walk on Wednesday?

A class is divided into 4 groups. A bag contains pieces of paper that are red, blue, green, and yellow. For every blue - or green-colored piece of paper, there are 2 red - and 2 yellow-colored pieces of paper.