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 !!

Find equation of line with slope equals 8 and passing through (6,53)

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)