Translate the sentence into an inequality. Twice the difference of a number and 6 is at most – 29. Use the variable w for the unknown number.​

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?

Factor and solve to find roots x squared -x - 90 =0

How can you find the mean absolute deviation (mad) for this set of data?