Yeah I need help with this
(10 points)

Select the correct answer. what are the intercepts of y = 4x − 2? a. (0.5, 0) and (0, -2) b. (2, 0) and (0, 0) c. (-2, 0) and (0, 2) d. (0, -2) and (0, 0)

Studies show that massage therapy has a variety of health benefits and it is not too expensive. a sample of 12 typical one-hour massage therapy sessions showed an average charge of $58. the population standard deviation for a one-hour session is =$5.55. a. what assumptions about the population should we be willing to make if a margin of error is desired? (select your the population has uniform distribution/ the population is at least approximately normal is required/ the population has no exponential distribution/ no assumptions should be made) b. using 90% confidence, what is the margin of error (to 2 decimals) c. using 99% confidence, what is the margin of error (to 2 decimals)

Find the matrix a of the linear transformation t from r2 to r2 that rotates any vector through an angle of 45 degree in the clockwise direction and the reflects the vector about the x-axis.