Help me plz. Khan Academy.

Which of the following is correct interpretation of the expression -4+13

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

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis