The solution set for -2x2 + 12x = 0 is
a. (0,12)
b. (0,-12)
c. (0,6)
d. (0,-6)

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Is a positive integer raised to a negative power always positive

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?