A four-digit code can use the numbers 1, 2, 3, 4. Any of the numbers can be repeated. What is the total number of possible codes?

What is the probability the code will be 3333?

What two criteria are needed for triangles to be similar

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6