Max and Sharifa are both saving to buy the same model of DVD player, which costs $99, including tax. Max already has $31.00 and decides to save $8.50 per week from now on. Sharifa already has $25.50 and decides to save $10.50 per week from now on. Who can pay for the DVD player first? Explain. (NEED TO SHOW WORK)

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

How do you find the area of a triangle