Determine whether the following sequence is a geometric sequence or not. Explain your answer. a. 3, 18,108, 648, …
b. 4, 12, 36, 144, 432,

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0