Part B Since the equations for both triangles have o? + b2, you can think of the two equations for and n as a system of equations. Substitute what o?.
b? equals in the first equation for o? + b2 in the second equation. After you substitute, what equation do you get?

The distributive property allows you to say that 3(x − 1) = 3x −

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?