Ziggy earns $400 per week plus $75 for every sale he makes. His goal is to earn more than $1,200 this week. What is the least number of sales Ziggy could make and still reach his goal?

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Find the solution(s) to x^2-14+49=0