In the figure below, line land line mare parallel, the measure of 21 = 56°, and the measure of 22 = 669. what is the
measure of 23?
34
36
42
63

? !

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%.

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?