Tomas spins a spinner that is divided into equally-sized sections that are shaded yellow, green, blue, and red. What is the probability that Tomas spins pink?

What is the slope of a line that is perpendicular to y = 3x + 1

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?