If m∠EBD = 36 °and m∠DBC = 108 ° , find m∠EBC

6n^2-7n-75=0 solve by quadratic formula

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9