HELP ASAP PLEASE How many phone numbers are, possible in the area code (407), if the number has the form ABC- where A is restricted to 3-9, and B is restricted to 1-9 C is restricted 2-6 and X can be any number from 0-9,
a. 3,150,000
b) 3,600,000
c) 3,001,500
d) 2,520,000

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip