Evaluate
(3^-1+4^-1)^-2​

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

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes