A ladder leaning against a building makes an angle of 78 degrees with the ground. The foot of the ladder is 5 feet from the building. How long is the ladder?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Polynomial that can be factored as (3x-4)(3x+4)

Find the solution of this system of equation -7x+y=-20 9x-3y=36