4(5m+6r+2) i was in class and we watched a video and i forgot how to do this

Atriangle has vertices of (0,3.5), (3,1.5), (0, -1.5). if it is dilated with center at the origin, and a scale factor of 2, what will be the coordinates of the image?

Triangle abc is a right triangle. find the measure of side b. round to the nearest hundredth. a) 6.13 cm b) 6.71 cm c) 9.53 cm d) 10.54 cm e) 12.45 cm

Ramona had money to spend during a visit with her grandparents. she recorded how much money she had left y, in dollars, after each day x. how much money did ramona originally have to spend?