Cassie bought 3 t-shirts and 2 pairs of shorts for $31. Lorena bought 4 t-shirts and 1 pair of shorts for $28. What was the cost of the shorts?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Extremely mega ultra important question! plss answer as fast as you can you will get 84 points! the area of this right triangle is half the area of which of these rectangles?