Write the standard equation for the circle whose center is at (2,5) and whose radius is 2.

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)