Answer:
See below.
Step-by-step explanation:
Using the right triangle altitude theorem, the correct proportions are:





AC = 20 cm





CB = 15 cm
Answer:
-105
Step-by-step explanation:
Substituting is like "plug and chug", so we can plug in -2 into the expression and get
, which simplifies into 21*-5, or -105. 
Answer:
133.3%
Step-by-step explanation:
2 years= 24 months
24/18=133.3%,
Hope I helped