sam invested a sum of money at 6%. he invested a second sum, $1,000 more than the first sum at 7%. if annual income was $1,110, how much did he invest at 6%? how much at 7%?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Solve for the equation. 4x - 13 = 2x + 9

The blue lake trail is 11 1/2 miles long. grace has hiked 1 1/2 for 2 hours. how far did she from the end of the trail