Is 21.192 a rational or irrational

Caroline runs 3 1/2miles in 22 1/4 mins. how many miles does she run per mile

A mattress underwent the following changes in price before being removed from the store. 20% Markdown 35% Markup 24% Markdown 13% Markup 31% Markdown If the final price of the mattress was $227.

If you are solving y 2+2y=48 by completing the square, the next line would be

Math jeopardy game equations where the answer 36

Which is a solution to (x - 3) (x + 9) = - 27? x= 39 X=-3 x=0 x = 6

Ralph sold brownies for $ 0.63 0.63 a piece in order to earn money to buy baseball cards. If the cards cost $ 1.35 1.35 per pack, and if Ralph had no money left over after buying them, what is the least number of brownies he must have sold?

The segments shown below could form a triangle 9,4,15 true or false

What is 65.536 rounded to the nearest whole number

What is the fraction twelve twenties in its simplest form?

A cylindrical tank with radius 5 m is being filled with water at a rate of 2 m3/min. how fast is the height of the water increasing?