Molly's uncle is cooking a 7-pound beef roast for dinner. it takes 25 minutes per pound o cook. what time should molly's uncle begin cooking the roast if he wants to serve dinner at 7 p. m.?

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

What is the difference between regular convex and concave polygons