Which step in solving this equation is justified by the Additive Identity Property? A)
Step 3 = 8x - 8 = 9x - 10
hing
B)
Step 4 = 8x - 8x - 8 = 9x - 8x - 10
Step 5 = 0 - 8 = x - 10
D)
Step 6 = -8 = x - 10
3)

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10