Last year, Mark was 46 inches tall. This year, Mark’s height is 3 inches less than Peter’s height. Peter is 51 inches tall. How tall is Mark? Write an equation to represent the situation. Then solve the equation to answer the problem.

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Solve the equation by completing the square. x^2+2x=17

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay