A teacher had 21 red pans. If the ratio of red pens to blue pens she owned was was 3:1, how many pens did she have total?

Which of the following is the equation of a circle with a radius of 10 cm and center at (-3, 6) ?

A rectangle is 36 inches x 48 inches. Pin. What is its perimeter? What is its area?

A cylindrical water tank has a diameter of 20 feet and a height of 15 feet. How much water is needed to fill the tank? Recall the formula V = pi r squared h. 300Pi cubic feet 1,500Pi cubic feet 2,250Pi cubic feet 6,000Pi cubic feet

Jamie wants to treat some friends to lunch. He has $40 and knows that lunch will cost about $7 per person, p. How many people can Jamie buy lunch for?

Solve the equation 6x to the 3rd power = - 1297 then round answer to two decimal places when appropriate

A triangle has sides of lengths 48 mm, 55 mm, and 73 mm. Is it a right triangle?

Divide 3765 by 8 and write the remainder as a fraction

Is-5/6 closer to - 1 or - 1/2

Ralph sold brownies for $0.12 a piece in order to earn money to buy baseball cards. If the cards cost $0.36 per pack, and if Ralph had no money left over after buying them, what is the least number of brownies he must have sold

Kathleen makes 144 cupcakes each week. Of these she sales 25 each week and gives away the rest. Write a linear function that represents the number of cupcakes Kathleen has given away over time.