Two tracking stations 20 km apart measure the angles of elevation of a rocket to be 42.4° and 78.1º. Find the height of the rocket.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?