2. If you have 80 % of your watermelons sold for $5.50 each and the other 20% sold for $7.50 and you are expecting a bumper crop of 1,200 melons this year, what is your total sales?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side