HELP HELP HELP The 1st, 4th and 8th terms of an arithmetic sequence, with common difference , ≠ 0, are the first three terms of a geometric sequence, with common ratio . Given that the 1st term of both sequences is 9 find the value of d

Why do interests rates on loans to be lower in a weak economy than in a strong one

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

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?