Suppose a hot air balloon begins descending at a rate of 30ft/min from an elevation of 1250ft. Write an equation to model the hot air balloon's elevation as a function of time.

Louisville is 14 mi due north of Farmville, Stanton is due east of Farmville, and Louisville is 25 mi from Stanton. How far apart are Farmville and Stanton? Round to the nearest tenth of a mile.

A farmer wants to find out the average number of apples produced by the apple trees in his orchard. Which could be a sample of the population?

A square has a perimeter of 12x + 52 units. Which expression represents the side length of the square in units?

Write an expression for the perimeter of the triangle shown below: A triangle is shown with side lengths labeled 2.3x plus 14, 2x, and negative 0.2x plus 15.

Viete's Formulas - what are they used for? If we have a quadratic equation 2X^2 + 4X - 6 = 0, whose roots are x1=1 and x2=-3 and where a = 2 b=4 and c=-6 then according to Viete's formulas (x1 + x2) = (-b/a) and (x1 • x2) = (c/a).

Which of the following is a perfect square? 65, 144, 68, 131

What does Pythagorean Theorem do or find? (100 PTS) !

A car is 210 inches long. A trubkis 60% longer than the car. How long is the truck?

2p - 1/q = r/q + 4, subject q

Solve the equation using the quadratic formula: 2x^2-5x+2=0