Which operations will create an equivalent system of equations with opposite like terms?
3x -3y=3
4x+5y=13
a. the first equation can be multiplied by 5 and the second equation by 3
b. the first equation can be multiplied by -4 and the second equation by -3
c. the first equation can be multiplied by 4 and the second by -4
d. the first equation can be multiplied by 3 and the second equation by 5

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

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12