Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Consider the given function

John can eat 10 cookies in 1/2 hr how many cookies can he eat in 45 minutes make a proportion and solve

Multiply. write your answer in simplest form. 3/8 x 5/7

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?