Jacob wants to invite 20 friends to his birthday, which will cost his parents $250. If he decides to invite 15 friends instead, How much money will it cost his parents? Assume the relationship is directly proportional.

Compare the sources of consumer credit(there's not just one answer)1. consumers use a prearranged loan using special checks2. consumers use cards with no interest and non -revolving balances3. consumers pay off debt and credit is automatically renewed4. consumers take out a loan with a repayment date and have a specific purposea. travel and entertainment creditb. revolving check creditc. closed-end creditd. revolving credit

Industrial engineers who specialize in ergonomics are concerned with designing workspace and devices operated by workers so as to achieve high productivity and comfort. a paper published in this research area reports on a study of preferred height for an experimental keyboard with large forearm-wrist support. a sample of 31 trained typists resulted in an average preferred height of 80.0 cm

Bmw receives data transmitted by each new vehicle it sells to employees understand how customers use the products and when service may be needed. this use of technology aids in bmw's efforts to interact in an ongoing basis with its customers.