What’s the inverse equation? And how you solved it step by step please!

Which of the following parabolas opens down?

What is 1.5% of 120 or what number is 1.5% of 120

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