Gia's rectangular patio is 27 feet long. The ratio of the length to the width is 6 to 4. What is the width of Gia's patio in yards? Hint: 3 feet = 1 yard. Help meee plzzz

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?