Which of the following equations describes a circle with radius
2, centered at the point (1, 0)?
Select one:
0 (x - 1)² + y² = 4
O (2 – 1)2 + y2 = 2
(x + 1)2 + y2 = 4
O x2 + (1 - 1)2 = 4

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?