Clark kent walks 3 miles west and then 4 miles north. how far is it for superman to fly in a straight line back to his starting point? (it makes a right triangle.)

question 16 options:

3 miles

5 miles

7 miles

9 miles

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

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?