Are the triangles similar, if so explain why.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?