Jody has 4 red marbles, 7 blue marbles, and 9 yellow marbles. what is the ratio of red marbles to blue marbles?
a.4: 7
b.7: 4
c.4: 20
d.20: 4

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.