What is the excluded value of x for the expression (x-4) ^2 / (x-9) ^2

If you come across the phrase "era of error" and use it in your paper, you have to cite it.

If f (x) is an even function, which statement about the graph of f (x) must be true? -It has rotational symmetry about the origin. -It has line symmetry about the line y = x. -It has line symmetry about the y-axis.

How do you find the percent of a whole

If the weight (in grams) of cereal in a box of lucky charms is n (479,4), what is the probability that the box will contain less than the advertised weight of 464 gm

Two people start writing reports on the same day. Both write 200-page reports. Writer A averages 8 pages a day, and Writer B averages 5 pages per day. How much sooner will Writer A finish her report than will Writer B

What is the a-value in the following quadratic equation? y=-x^2+x-20 Find the value

What time will it be 20 minutes later. 3:15

Evelyn is a salesperson who sells computers at an electronics store. She makes a base pay of $90 each day and then is paid a $10 commission for every computer sale she makes.

A bookstore rents books to students at $2 per book. The cost per hour of running the bookstore is $300.

12. A professional running track has two straight sections that are each 328.084 feet long. The total distance around the track is 1,312.34 feet. What is the length of the part of the track that is not straight?