If they work together, Mark and Yvonne can sort 50 library books in 1.5 hours. Working alone, it would take Yvonne 5 hours to do the same job. How long would it take Mark if he worked alone? Express your answer inhours and minutes.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is