In the school library, there are 28 fiction items form every 3 non-fiction items. What is the best estimate of how many total items are in the library if there are 52 non-fiction items?

Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?