Answer:
E) 48
Step-by-step explanation:
uhh I honestly have no idea hot to explain it but lemme try
so if you draw a line where the hypotenuse and the 4 in meet, you make a rectangle and a triangle then you can use Pythagorean Theorem to find the length of the unknown side and add them all together
54a+24b
What number can you take from them
6
9a+4b
8 students practiced for 15 minutes or more
