What is the area of the rectangle shown in the graph? a) -28 units2 b) -3 units2 c) 30 units2 d) 54 units2

The triangles are similar. what is the value of x? show your work.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase