A building contractor buys 80% of his cement from supplier A and 20% from supplier B. A total of 95% of the bags from A arrive undamaged, while 75% of the bags from B arrive undamaged. Find the probability that an undamaged bag is from supplier A.

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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%.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²