B) Given equation is, 5x² - 3x -4 =0 On comparing with ax² +bx + c= 0 we get :
C) In fig .AB is 80m tall light house, the two ships are at C and D.

I had given the main answer in short now u do it ...
It's in your books mate find out !!

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Determine domain and range, largest open interval, and intervals which function is continuous.