The real numbers between 1 and 4 , inclusive

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

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?