To classify a quadrilateral, use the slope of opposite sides to determine if the sides are parallel or perpendicular parallel or equal perpendicular or equal

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?