20 points
the local park has enclosed an area to make a playground. they need to buy mulch to spread over the entire area. how much mulch should they buy. round to the nearest whole number.
a) 3 square units
b) 9 square units
c) 19 square units
d) 28 square units

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)

If y varies as x, and y=8 as x=4 what will be the value of y if x=2