The temperature at dawn was -2°f. during the day, the temperature increased 15 degrees, and then dropped 10 degrees in the evening. which expression represents the new temperature?

Two lines parallel to the same plane are parallel to eachother

A(t)=728(1+0.04)^t how much money did aditya originally invest

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?