The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
ax3 + bx2 +cr + d. find the missing constants a, b, c, and d below.
show work .

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%.

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

The graph of a curve that passes the vertical line test is a: