The quantities and are proportional.35353535 12121212 60606060 20202020 100100100100 find the constant of proportionality (r)(r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy=rxy, equals, r, x.

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

The anwser cause i do not understand just plez

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%