Determine if the sequence is geometric. If it is, find the common ratio.

1) - 3,-18,-108,-648

2) 3,4,5,6

3) 2,-4,8,-16

4) - 3,-15,-75,-375

In the United States, the number y (in millions) of bicycles sold with wheel sizes of 20 in. or greater can be modeled by the equation y = 0.3x + 15, where x is the number of years since 1981. In what year were about 22 million bicycles sold?

What is the general form of the equation of a circle with its center at (-2, 1) and passing through (-4, 1) ? x2 + y2 - 4x + 2y + 1 = 0 x2 + y2 + 4x - 2y + 1 = 0 x2 + y2 + 4x - 2y + 9 = 0 x2 - y2 + 2x + y + 1 = 0

Mr. rodriguez works at a store. He wants to arrange 16 toys in a displayed shaped like a rectangular prism. How many rectangular prisms with different size bases can he make with the boxes?

Mr. Weisner is using 81 padded squares to make a workout area in his house. Each square measures 1 meter by 1 meter. He wants to arrange the 81 squares in a rectangular shape with the smallest possible perimeter.

Maddie buys stock that is worth $22 per share. On the first day, the value of the stock goes up 20%. On the second day, the value decreases by 10%. What is the value of each share at the end of the second day?

Last year, Sally had a gross profit margin of 68% in her hair salon. Her gross profit was $32,508.63. How much did Sally make in net sales last year? a. $16,398.06 b. $22,105.87 c. $35,610.25 d. $47,806.81 The answer is D

Rather made a 10 to figure out sum for 9 + 3. Explain eathens thinking

Factor completely 3x2 - x + 5. Prime (3x + 1) (x - 5) (3x - 1) (x + 5) (x + 1) (3x - 5)

Solve for x 3x + 3 - x + (-7) > 6

Is 10 of 10 of 100 the same as 20 of 100?