A bag contains 120 marbles. some are red and the rest are black. there are 19 red marbles for every black marble. how many red marbles are in the bag? Can someone answer and quickly please

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?

What is the relationship between all triangles that can be drawn given the same three angles

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.