Jan is as old now as gary was $15$ years ago. six years from now, gary will be twice as old as jan will be then. how old is gary now?

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

Which of the following are parts of a sphere

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2