An educator wants to determine how effective tutoring is in raising students' grades in her class, so she offers free tutoring for those who want it. Then she compares final exam grades for the group that took advantage of the tutoring and the group that did not. Suppose the group participating in the tutoring received higher grades on the exam. Does that show that the tutoring worked

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?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3