PLEASE Please help me!!
Question in image*

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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