What is the equation of the circle? -3 -2 -1
O (2 – 4)² + (y - 1) = 4
O (2 - 1)² + (y – 4) = 4
o 22 + y2 = 4
O (x + 1)² + (y + 4) = 4

Which pair of angles are vertical angles? ∠1 and ∠4∠1 and ∠2∠2 and ∠4∠2 and ∠3more than one answer.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?