Mia spent 30 minutes answering the math questions on the exam. this was 3/5 of the total amount of time allotted for this section of the exam.

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.

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?

True or false look at the picture pls : /