-3 < 3x ≤ 9
explain how you got the answer

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?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle