How many seven digit phone numbers can be formed if repetition is allowed

Josan and andrea are on a long distance bike ride. they decide they will stop for water if either of thier water bottles is less than full. josan bottle is 2/5 full. andrea bottle is 5/6 full. should they stop show your work

Use lagrange multipliers to find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in the given plane. x + 7y + 8z = 21

Word form for 89170326

What is 220,000 rounded to the nearest thousand

A gumball machine has 15 red, 13 blue, 16 yellow, and 6 orange gumballs. What is the probability, expressed as a percent, of getting a blue gumball?

What two fractions make 1/3

Describe a real life sittuation that can be modeled by the equation 2x plus 5 equals 10

How many 9 inch ribbons can be cut from 1 1/2 yards of ribbon?

The value of the cumulative standardized normal distribution at z is 0.8770. the value of z is

Sally's grocery store is selling eggs for $1.56 a dozen. what is the unit price per egg