Martha McKenzie sells advertising for a local TV station. She earns 15% on the first $5,000 in sales, 25% on the next $1,000, and 30% on all sales over $6,000. If she
were to sell $15,000 worth of advertising, what would her commission be?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Factor the polynomial expression x6 – x3 – 20