Which rate should be used to convert 15 yards:1 feet per hour? A. 3 feet:1 yard
B. 1 yard:3 feet
C. 1 hour:60 minutes
D. 60 minutes:1 hour

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%