A 1000 kg sedan traveling north at a velocity of <0, 20, 0> m/s, collides at an intersection with a 3000kg minivan traveling west with a velocity of <-10, 0 ,0> m/s. What is the final velocity of the wreckage of the two of them stuck together just after the collision?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]