Which of the following graphs is described by the function given below? y=2x^2+6x+3

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Note: remember to show all of the steps that you use to solve the problem. be sure to use the text box where the question mark first appears to show your mathematical work. you can use the comments field to explain your work. your teacher will review each step of your response to ensure you receive proper credit for your answer. ! i will pay you to do this for me! will mark brainliest. i am not lying solve the following problem. jana buys a dress for $25.98 and a for $14.99. the total sales tax is $2.46. a. what is the total cost of her purchase? b. if jana pays with a $50 bill, how much change should she receive?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.