Factor each completely. if non-factorable, write "non-factorable"
6a^3-42a^2-12a+84

Write the rational number in lowest terms 99/-15

Solving algebraic equations 2m+3=11

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?