I need help with geometry problems

Show ALL work and explain the processes of each***

1. A label on an iced tea drink mix says to use 2 tbsp of iced tea mix to make one serving (8 oz) of iced tea.

a. What is the ratio of drink mix to iced tea? (Hint: 1 oz = 2 tbsp)

b. Suppose you want to make a quart (32 oz) of iced tea. How many ounces of drink mix should be used?

c. How many tablespoons of iced tea mix should be used to make a quart (32 oz) of iced tea?

2. △ ​RST​ has coordinates ​R​(­-4, -3), ​S​(0, 5), and ​T​(7, -3).

a. Graph △ ​RST​ in a coordinate plane.

b. Find the perimeter of △ ​RST​.

c. Find the area of △ ​RST​.

d. The centroid of a triangle is the intersection of its medians. Use the following steps to find the centroid of △ ​RST ​using segment partition.

i. Find the midpoint of 

a. What is the total area of the apartment?

b. What are the dimensions of the master bedroom?

c. Brian wants to buy a dining room table from the local furniture store. He sees a table that is 9 ft long and 3 ft wide. Would it be reasonable to buy this table to put in the dining room? Why or why not?