Slove x^2 + 9 + 9 = 0.
a. -9 + 3 square root 5 / 2
b. 9 + 3 square root 5 / 2
c. -9 + square root 117 / 2
d. 9 + square root 117 / 2

Five infinity stones cost $16.80. what is the price per infinity stone ?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1