Solve by factoring.
x2-49 = 0
X=

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.