The pre–image, A, was dilated about the origin. It was then transformed in another way to get A'. What was the transformation after the dilation?
rotation 90° counterclockwise
translation down 9 units
reflection over the x-axis
reflection over the y-axis

What is the slope of a line that is perpendicular to y = 3x + 1

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?