Rafael watched a video for 3/8 minutes. he watched another video for 1/8 minutes. for how long did he watch videos in all? write your answer as a fraction in simplest form.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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

Triangle abc has side lengths: ab = 3.5  cm, bc = 2.4 cm, and ac = 4.2 cmδabc ≅ δhjkwhat is the length of side hj?