Suppose that S is the set of successful students in a classroom, and that F stands for the set of freshmen students in that classroom. Find n(S ∩ F) given that n(S) = 53, n(F) = 25 and n(S ∪ F) = 58

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Which expression is equivalent to 2x^2+7x+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