What real-world examples show no work being done

A prism with a volume of 3125 ft³ is scaled down to a volume of 200 ft³. What is the scale factor? Enter your answer, as a decimal or a fraction in simplest form, in the box. I think it's 2/5 or 0.4

Which set of ordered pairs represents a function? { (0,1), (2, - 1), (-7,6), (0,3) } { (-5,6), (9,4), (-7, 2), (-9,6) } { (6, - 6), (-7,8), (9,3), (9, - 5) } { (-2,1), (-1,-9), (-2,-6), (2, - 2) }

181818 kilometers per hour, and then rode from the beach to the park at a constant speed of 151515 kilometers per hour. The total duration of the rides was 111 hour and the distances she rode in each direction are equal.

Suppose a bus arrives at a bus stop every 30 minutes. If you arrive at the bus stop at a random time what is the probability that you will have to wait at least 5 min for the bus? A. 1/6 B. 1/5 C. 2/3 D. 5/6

miguel bought a box of twelve granola bars. He shared the bars equally with his sister. If he ate two granola bars, how many bars would miguel have left?

Adam has 16.45 kg of flour, and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of scones. How much flour, on kg, will be in each batch of scomes?

Rebecca has 30 paintings to sell. the amount of money rebecca makes from selling x paintings is represented by a function.

What's the exponent of x in 4x?

What is the scientific notation for number of kilometers light will travel in 60 seconds?

70 p x 2 1/2 = how many pounds