PLEASE HELP ASAP! Directions: Define one variable (you may NOT use two), translate into ONE equation

and solve the equation to answer the question. If the scenario has two

unknowns, define the second unknown in-terms of the defined variable.

You may use a calculator.

You are investing your money in two types of stock, CI and AM.

You have $1400 to invest over 5 years. After 5 years, the AM stock

doubles and the CI stock triples in value making your stock worth

$3300, how much did you invest in each type of stock?

What is the equation of a parabola y(x) that has a vertex at point (− 1/3 , 0.3) and passes through point (− 2/15 , − 1/2 ).

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Use sigma notation to represent the following series for 9 terms.