A student was asked to simplify the expression  using the order of operations. The student’s work is show below, and possibly contains an error. Review the student’s work, and then select the answer choice that correctly identifies the student’s error and gives the correct next step.

Simplify the expression  using the order of operations. Answer:

Use the simple interest formula . Round all amounts to 2 decimal places, if necessary. Do not include $ in your answers. Do not use commas. A savings account of is left for 5 years and draws simple interest at a rate of .  a) How much interest is earned? $ b) What is the balance in the account at the end of 5 years? c) What is the balance in the account at the end of 20 years?

If an object is shot upward with an initial velocity, (read as “v sub zero”), in feet per second, the velocity, in feet per second, is given by the formula , where is the time, in seconds. An object projected upward with an initial velocity of feet per second has a velocity of  feet per second. How many seconds have passed?

Do not space. Type your answer as an ordered pair. Solve the system of equations   using the method of your choice.  Solution:

Do not space. Type your solutions as a comma – separated list. Type your list in order from smallest to largest value. Do not include the braces.  Let and . Find and . {} {}

Solve the equation . Answer:

For the set of ordered pairs , find the domain and range, and determine if the relation represents a function.

Negative rights require others to provide goods or services to an individual.

Democracy relies solely on the act of voting, rather than informed public deliberation and dialogue.