If n stands for the unknown number, which expression represents the phrase below? the sum of a number and three, divided by seven group of answer choices (n + 3) / 7 n + 7/3 7/n + 3 7 / (n + 3)

In physics, if a moving object has a starting position at so, an initial velocity of vo, and a constant acceleration a, the the position s at any time t> o is given by: s = 1/2 at ^2 + vot+so solve for the acceleration, a, in terms of the other variables. for this assessment item, you can use^to show exponent and type your answer in the answer box, or you may choose to write your answer on paper and upload it.