A 6 foot ladder is leaning against a wall and makes a 57 degree angle with the ground. How high does the ladder reach on the wall

What are the soultion(s) to the quadratic equation 40- x^2=0

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

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy