The speed of a tsunami can be calculated with the formula s= √9.81d
the speed of a submarine can be calculated using s= 1.98/d + 6. determine the approximate speed of both the tsunami and submarine when they have equal depth.

What is the missing constant term in the perfect square that starts with x^2 -20x

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2