A teacher has 21 red pens if the ratio of red pens to blue pens she owned was 3:1 how many pens did she have in total

Three corners of a rectangular dog park are located at (-2,-1), (-2,3), and (5,3) on a coordinate plane. What is the total length of the fencing that is needed to enclose the park?

Solve the system of equations using row operations. Write your answer in the form (x, y). {2x+3y=-2 {3x-y=19

Do this multiplication: 10 x 20?

43 is 10 percent of what number

How many minutes equal 4.8 days?

How do you find the absolute value 2]-16.75]

You are painting a rectangular wall with length 5X to the second power seat and with 12 X feet. There is a rectangular door that measures X feet by 2 feet that will not be painted.

All 3 of ms van sants dogs are stinky and smelly and need baths and so does her son she has 7 pounds of a special extra strength powder shampoo and will use all of it in equal amounts for each bather how many pounds of shampoo will she use on each

The length and breadth of a room are in the ratio 3:2. The cost of carpeting the room at Rs25 per sq. m is Rs1350 and the cost of papering the four walls at Rs 15 sq. m is Rs 2580. If one door and two windows occupy 8 sq.

Tree Height Problem Assume that the number of inches a tree grows (up) each year is a term in a geometric series. Suppose that you plant a tree that grows 40 inches the first year and 38 inches the next year. a.