According to the lesson, a decimal number is defined as which of the following? a. a way of writing a number that's less than one b. a number that's a multiple of 10 c. an improper fraction d. the answer to a multiplication problem

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?