On a trip from buffalo, new york, to st. augustine, florida, a family wants to travel at least 250 mi in the first 5 h of driving. what should their average speed be in order to meet this goal?

Can someone answer these problems for me

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)