If am = 21, mb = 9, an = 14, nc = 6, then the triangles are similar by:

a. aa similarity postulate

b. sss similarity theorem

c. sas similarity theorem

d. the triangles are not similar.

Find and simplify the difference of the golden ratio and its multiplicative inverse

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.