Afall candle gift set has 4 vanilla candles and 6 pumpkin spice candles. use v to represent the cost of each vanilla candle and p to represent the cost of each pumpkin candle. write and simplify an expression that represents the total cost of 4 sets

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

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Three times the sum of a number and seven is negative thirty-six. what is the number?