Definition of dilation in geometry

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

What is the difference between the equations of a vertical and a horizontal line?

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m