Every weekend Greg mows and rakes lawns to earn extra money. He makes $45 for every lawn he mows and an extra $15 for raking. His goal is to earn at least $250 per week. If m represents mowing, and represents raking, which inequality models Greg's situation?
O 45m + 15n < 250
O 45m + 15n > 250
15m + 45n > 250
O 15m + 45n< 250

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Anyone know? will mark brainliest if correct

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.