Alemming runs from point a to a cliff at 4m/s, jumps over the edge at b and falls to c at average speed of 25 m/s. if the total distance from a to c is 500m and the time taken for the journey is 41 seconds, find the height bc of the cliff.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?