I'm calculaing tip and tax on a total cost. do i need to add th tax to the total, then calculate tip, or calcualte tip on the original cost?

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

Graph the linear equation find three points on the graph -x+2y=11

What is the area of the regular 24-gon with radius 5 mm