Answer:
b. 54
Step-by-step explanation:
45 is original perimeter for ABC. You subtract 16 and 9 from 45 to get the missing side B which is 20. To answer the the perimeter for triangle CRB you add 20 to the other sides which is 15 and 19. The total is 54.
3/8
because to find the area you multiply both numbers so 1*3 is 3 and 2*4 is 8 so your answer should be 3/8
Step-by-step explanation:5/6 +6/2
20% = $16.994
15% = $12.7455