Which pair of equations represents two perpendicular lines?

A. y=-7/8x+3 and - 7y=-8x

B. 8y=3x+40 and y=8/2x-1

C. 5y=15-2x and 2/5x-4=y

D. y=9x+3 and y=9x-1/3

In the parabola y = (x+1) ^2+2

In a large bag of marbles, of them are red. A child chooses 4 marbles from this bag. If the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles? 0.211 0.141 0.063 0.047

Why did the cow keep jumping over the barrel

A print shop purchases a new printer for $25,000. The equipment depreciates at a rate of 5% each year. The relationship between the value of the printer, y, and the year number, x, can be represented by the equation, y = 25,000 • 0.95 x.

Carl is boarding a plane. He has 222 checked bags of equal weight and a backpack that weighs 4 / text{ kg}4 kg4, start text, space, k, g, end text. The total weight of Carl's baggage is 35 / text{ kg}35 kg35, start text, space, k, g, end text.

Which of the following measurements is the smallest? a. one millimeter b. one meter c. one hectometer d. one decimeter?

Explain how you would solve - 30/x=6 then solve the equation

260 weeks equal how many years

The quantity demanded x for a certain brand of MP3 players is 100 units when the unit price p is set at $80. The quantity demanded is 1100 units when the unit price is $40. Find the demand equation. p =

Find solution of the linear equation y = 2/3x + 1/3