Which statements are true about the place values in the number 99.999?

a. the 9 in the hundredths place is 1/10 the value of the 9 in the tenths place.
b. the 9 in the tenths place is 10 times the value of the 9 in the hundredths place.
c. the 9 in the hundredths place is 10 times the value of the 9 in the tenths place.
d. the 9 in the tenths place is 1/10 the value of the 9 in the hundredths place.

Which of the following best describes the delian problem?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same