Laura wants to show 70 in tens. how many tens will she draw? how do you know?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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.

Ined this is due tomorrow and i dont know the answer can you find all the exponents