Emily is entering a bicycle race for charity. Her mother pledges $0.90 for every 0.5 mile she bikes. If Emily bikes 8 miles, how much will her mother donate? Her mother will donate

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?

Can someone me with this? i’m not sure what to put for my equations.

In 3 years, dianna will be 4 times as old as she was 33 years ago. how old is dianna now? translate the phrase "in 3 years" into algebraic terms.