The slope of the tangent to a curve at any point (x, y) on the curve is negative 1 times x divided by y. Find the equation of the curve if the point (2, −2) is on the curve. x + y = 0
x2 − y2 = −2
x2 + y2 = 16
x2 + y2 = 8

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?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude