What is 2x x54

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An Apple Computer store sells computers for $1,246.70. Assuming the computers cost $10,920 per dozen. b. Find the percent markup on cost for each computer. c. Find the percent markup on selling price for each computer.

A spaceship traveled 81 billion miles. In scientific notation that is how you miles?

An item was selling for 72 is reduced to 60. find a percent decrease in price. round your answer to the nearest 10th.

What is the inverse of f (c) = 9/5 c + 32

What is the arc measure of CD in degrees? в с (20k + 4) D р (33k - 9) ° ,

Marketing estimates that a new instrument for the analysis of soil samples will be very successful, moderately successful, or unsuccessful, with probabilities 0.3, 0.3, and 0.4, respectively.

Find the roots of the following equations. a) 4x+9=34 b) (x-4) (x+2) = 0 c) 2x^2-6x+4=0

6 · 14 - (9 + 8) 2 =

Skylar drove 280 miles in 5 hours. If she continued at the same rate, how far would she travel in 20 hours?

Simplify the following expression. (9x + 2) + 5x