What is the radius of a circle whose diameter is 12cm given tt =3.14​

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

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?