Tony is a salesperson who earns $560 per week plus $60 for each sale he makes. This week, he wants to earn at least $920 . Write and solve an inequality that represents the number of sales Tony must make this week to earn at least $920 . Write a sentence to represent the solution set in the context of the problem.

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.