The temperature at 8: 00am is 5 degrees celsius and increases 2 degrees per hour. does this equal y=2x+5

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.

What statement is true? 2x^2-9x+2=-1

How are sas and sss used to show that two triangles are congruent?