Tia's teacher asked her to find the product of 8 and 207 in her head. which of the following describes the best way for tia to mentally calculate the answer? a. multiply 8 by 200 and subtract 8 times 7. b. multiply 8 by 200 and add 8 times 7. c. multiply 8 by 210 and subtract 8 times 7.

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}