9x+5y=34
8x-2y=-2
What are the values of x and y? Please explain the steps.​

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?