A river flows at a speed of 12 m/s from north to south. A powerboat can move at a constant maximum speed of 23 m/s in still water. t ㅏ What is the maximum velocity of the boat upstream (upstream means traveling against the current)? b. What is the maximum velocity of the boat downstream?​

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

What is the distance between the points (2, 5) and (5,9)?