Lilly and laura pooled their money to purchase
their brother, liam, a video game for his birthday.
the video game cost a total of $45. if laura was
only able to contribute of what lilly did, how
much did laura put toward the present?

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Find the interior angle of a regular polygon which has 6 sides

Find all the angles that satisfy the equation cos(θ)=32