How do you find the perimeter of a given shape?

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse