Consider this equation. cos(0)=-7/8
If 0 is an angle in quadrant III, what is the value of tan(0)?
A. -sqrt15/7
B. sqrt15/7
C. sqrt15/8
D. -sqrt15/8

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12