How many 5-digit positive integers are there all of whose digits are even? a) 500
b)2500
c)3125
d)12500
e) 45000

How is working backward similar to solving an equation?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

The radius of a sphere is 3 inches. which represents the volume of the sphere?