Abby is having a bake sale to raise money to buy a new bike her goal is 350$ . Each goodie is 2.50 . She has to pay her mom 50$ she borrowed to make goodies. How many goodies does she need to sell to reach her goal to pay back her mom ? Whats the expression?

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

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.