Stephanie won 53 super bouncy balls playing hoops at the county fair. At school she gave three to every
student in her math class. She only has 2 remaining.
How many students are in her class?
(Write an equation, solve, and check your solution)

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.