Write and solve an inequality, You want to save at least $100. How much do you need to save if you start with $37?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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?

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2