Discover Questions

A submarine first went down to 725 feet below sea level. It then went up 150 feet. what was the final depth of the submarine? A family has 8 kids. What is the probability that atleast 4 of them are boys? What is the partial derivative for f(x,y)=(-(2x+y))^7. For fx(x,y) and fxy(x,y)? Multiplying powers, (8.9x10^4)(4x10^8) simplify? Find the area of the surface obtained by rotating the curve
y=sqrt(4x) from x=0 to x=9 about the x-axis?