The ratio of boys to girls at a movie is 7:10. If there are 49 boys at the movie, then how many girls are at the movie?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

What is the length of the unknown leg in the right triangle ?

State if the two triangles are congruent. if they are, state how you know?