Tom is buying topsoil for the flower bed shown below. One bag of topsoil covers 151515 square meters.

How many bags of topsoil does Tom need to cover his flower bed?

The Triangle has a base of 12 and a hight of 5

A. 2 bags
B. 3 bags
C. 4 bags
D. 5 bags

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.)