8) Ms. DeCherico has two rectangular structures in her backyard. The dimensions of the pool are 5 feet by 6 feet. The dimensions of the fire pit are 7 feet by 8 fect. The length of the square backyard is 15
feet. What area of the yard is not covered by the pool and the fire pit?
a) 139 ft.
b) 146 ft.
c) 124 ft.
d) 156 ft.

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?