Help the value of y varies directly as x, and y is 15 when x is 5. what is the value of y when x is 10?

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

1. are the triangles similar and if so why? what is the value of x? show your work.