What is the formula for the volume of a triangular pyramid

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

Ali was paid $75 for mowing a neighbor''s yard. this is one fourth of the amount of money she earned all summer