Marla borrowed $200 at a 12% simple interest for one year. if he makes no payments that year, how much interest will he she at the end of the year?
a. $6.00
b. $12.00
c. $22.40
d. $24.00

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

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?