A car is traveling at a constant speed of miles per hour. Which coordinate is represented on the graph?

1. are the triangles similar and if so why? what is the value of x? show your work.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)