Aiden bought 2 iPads for a total of $480. At this rate, what is the cost of 3 iPads?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3