in a batch of 280 water purifiers, 12 were found to be defective. what is the probability that a water purifier chosen at random will be defective.

How to multiply two binomials

Does this equation have one solution, no solution, or many solutions? 4x - 10 = 6x + 4 - 2x

Peter records the time it takes him to finish an exercise routine. His two times are 58.39 min and 49.18 min. Johnny records his exercise times as well. His two times are 35.71 min and 41.09 min.

Is the function y = x2 - 6 even, odd, or neither?

I'm having trouble in base numbers. What is the base number of 11 to the 3 power

A 15 foot ladder is leaning against a wall. if the foot of the ladder is sliding away from the wall at a rate of 10 ft/sec, at what speed is the top of the ladder falling when the foot of the ladder is 9 feet away from the base of the wall?

A word problem using system of linear equations of form Ax+By=c Problem: a fruit company delivers fruit in 2 types of boxes. Large and small. A delivery of 3 large boxes and 5 small boxes had a total weight of 77 kilograms.

Kit bought a soft drink and a sandwich for $9.00. What was the price of each if the sandwich cost 3.5 times as much as the soft drink?

What is the solution to the system of equations? y = - 5x + 3 y = 1 (0.4, 1) (0.8, 1) (1, 0.4) (1, 0.8)

Find the solutions to the equation 10^2x+11 = (x+6) ^2-2. Which values are approximate solutions to the equation check all that apply. A. - 9.6 B.-7.4 C. - 4.6 D. - 2.4 E. 0.6