An arrow is shot so that it hits the target above. which of the following describes the method for calculating the probability of hitting the red region?
a. area of white circle/ (area of blue circle - area of yellow circle)
b. (area of blue circle - area of yellow circle) / area of white circle
c. area of white circle / (area of red circle - area of yellow circle)
d. (area of red circle - area of yellow circle) / area of white circle

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?