Solution: Find the sum and product of roots of the equation x^3+2x^2-23x-60=0

Solution: Find the geometric mean between -4 and -9

Solution: Find the value of x which will satisfy the equation √x-2/√x=1

Solution: How long would it take Bill to do the complete job alone?

Solution: Find the value of k in the quadratic equation (2k+2)x^2+(4-4k)x+k-2=0

Solution: If f(x)=10^x+1, find f(x+1)-f(x)

Solution: Find the smaller number if the sum of the two numbers is 37

Solution: Find the harmonic mean between 3/8 and 4

Solution: Find the work done to stretch a 2.5 inches bar to an additional of 2 inches

Solution: What is the closest distance between the ships?