Need asap, easy problem! number 4 pls

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function