Xavier is creating a password for his computer. The password is 5 characters long. He can use uppercase and lowercase letters and numbers 0-9, but the characters cannot be repeated. How many different passwords could he create?
A 300
B) 310
C 776,520,240
D 916,132,832

Using the given data table, calculate the acceleration of the skateboarder. you can use either form of the equation below?

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.