Sophia has a bag with 3 purple marbles and 4 blue marbles in it. She is going to randomly draw a marble from the bag 280 times. putting the marble back in the bag after each draw.

How far could you drive on 50 gallons of gas

What is the absolute value of the complex number -4-sqrt2i

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.