A square is inscribed in a right isosceles triangle, such that the two of its vertices lie on the hypotenuse and two other on the legs. Find the length of the side of the square, if the length of the hypotenuse is 3 in.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?