How to slove 2(4)+-4 and i need step by step

How many 3/8s are in 6 plz someone tell me now

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

Find the solution on the interval [0, 2pi)