(c - b * cos A)/(b - c * cos A) = (cos B)/(cos C)

What is the value of f(x) = 2.2 for f(-2)?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n