Lola says these two expressions have the same value.
Expression A Expression B Left-bracket (StartFraction a Over b EndFraction) Superscript negative 4 Baseline Right-bracket Superscript 0 Left-bracket (StartFraction a Over b EndFraction) Superscript 0 Baseline Right-bracket Superscript negative 4
Which explains whether Lola is correct? Lola is correct because each expression has a value of 0. Lola is correct because each expression has a value of 1. Lola is not correct because the value of expression A is 1 and the value of expression B is (StartFraction b Over a EndFraction) Superscript 4. Lola is not correct because the value of expression A is (StartFraction b Over a EndFraction) Superscript 4 and the value of expression B is 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?
Rosa and lisa ade practicing free throws on the basketball court. so far, rosa has made one-and a-half times as many free throws as lisa. what is the unit ratio of rosa's free throws to lisa's free throws?