Solve by factoring ( show work) the equation for an arrow shot on mars is d= -6t^2 +120t. after how many seconds will the arrow hit the surface?

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?