If angles P and Q are complementary, which statement about the two angles is true? P and Q are opposite facing.
P and Q add up to 90°.
P and Q are always adjacent.
P and Q sum to 180°.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50