Helppp Alberto and Bianca run 50km race. The illustration below the graph of the position of the two runners as a function of time. complete the following sentence based on the graph of the function.
- Early in the race,__ runs faster.
- Alberto maintains a speed of __ km/h during the first hour of the race.
- meanwhile, Bianca’s running speed __
-The first person to cross the finish line is__

Write the following as a base and exponent

What ia the sum if the first 7 terms of the geometric series

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −