Which sequences are geometric sequences? Check all that apply.

4, 2, 1, 1/2, 1/4,...

−2, 3, −4, 5, −6, …

2, 6, 18, 54, 162, …

−4, −16, −64, −256, …

−2, −4, −12, −48, −240, …

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most