I need help i don’t understand this. i do but i don’t know what to do yk.
-find the rational approximately of (square root of) 15. using perfect squares. click on picture to see the whole question

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15

What percent of 18 is 24? and plz explain thx.