Answer: -129
<u>Step-by-step explanation:</u>
Given the sequence {-3, 6, -12, 24, ... }, we can see that the first term (a) is -3 and the ratio (r) is
.
Input those values into the Sum formula:

Answer:
85, -91
Step-by-step explanation:
600 *2*x + 150*4*x = 90
1200x + 600x = 90
1800x = 90
x = 90/1800 = 0.05
x = 5%
Answer: rate of interest = 5%
What goes into 70 and 95 is 5
Answer: the areas of irregular shapes can be find by calculating the areas. To find area of a figure which is a combination of rectangles and a squares, you have to calculate the area of each figure separately and then add them to find total area.
Step-by-step explanation: