Iqbal is picking up songs to play during a slideshow. each song is 3 1/2 minutes long and the slideshow is 89/4 minutes long/ how many songs can be played in the slide show? please help me quick

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?