A life raft, set adrift from a sinking ship 150 miles offshore, travels directly toward a Coast Guard station at the[..]

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both[..]

How much pure acid must be mixed with 12 liters of 30% acid to make a 40% solution?

) Some denominations question like you have 31 paise, and ticket cost is between 1 to 31, you have to give the exact[..]

distance between directrices 27;between foci 3.solve for the equation of an ellipse.

passing through (-4,3 times the square root of 3/2) and (8 times the square root of 5/3,-2).solve for the equation[..]

passing through (-4,3 square root of 3/2) and (8 square root of 5/3,-2).solve for the equation of an ellipse.

focus at (-square root of 13,0), vertex at (o,2).solve for the equation of an ellipse.

what is the graph of (x^2)/(a^2) + (y^2)/(a^2 - c^2) = 1?

what is the distance between directrices 27; between foci 3?