You have diving lessons every fifth day and swimming lessons every third day. today you have both lessons. in how many days will you have both lessons on the same day again?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?