Lorne subtracted 6x3 - 2x + 3 from -3x3 + 5x2 + 4x - 7. Use the drop-down menus to identify the steps Lorne used to find the difference.
1.(-3x3 + 5x2 + 4x – 7) + (-6x3 + 2x - 3)
2.(-3x3) + 5x2 + 4x + (-7) + (-6X) + 2x + (-3)
3.[(-3x?) + (-6x?)] + [4x + 2x] + [(-7) + (-3)] + [5x+]
4.-9x3 + 6x + (-10) + 5x2
5.-9x3 + 5x2 + 6x - 10

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?

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?