Write the equation to represent the position function if the rock was thrown downward.

so we can assume the first rock is stationary, by adding the top rocks velocity, to the bottom one, therefore, we have -10.7 ms-1, from the perspective of the first rock, hope this helps

Step-by-step explanation: PLS MARK ME BRAINLESS

Write 5,325 in Expanded Number Form

Standard Form:

5,325

Expanded Form:

5,000 + 300 + 20 + 5 = 5,325

Expanded Factors Form:

(5 × 1,000) + (3 × 100) + (2 × 10) + (5 × 1) = 5,325