Find the missing length to the attached triangle.

x = 60

Step-by-step explanation:

Using the right triangle altitude theorem, we have 3 similar triangles.

100/x = x/36

x^2 = 3600

x = 60

22 dimes and 9 nickels

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: