Aquadrilateral with two pairs of parallel sides and all sides congruent is called a
a. rectangle.
b. square.
c. rhombus.
d. trapezoid.

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?