Plz help questions are in the image

What is the measure of ac? 5 units 13 units 26 units 39 units

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

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !