Solve to the nearest degree, tan^2 theta--2tan theta=0 in the interval 0 degree a) 63 degree, 180 degree, 243 degree,360 degree
b) 0 degree, 63 degree, 180 degree, 243 degree, 360 degree
c) 63 degree, 243 degree
d) 0 degree, 180 degree, 360 degree

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The equation respenting the left table is

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?