The first three terms of a geometric sequence are shown below. x+3, -2x^2 - 6x, 4x^3 + 12x^2,...
What is the eighth term of the sequence?

A• -128x^8 - 384x^7
B• 128x^8 + 384x^7
C• 256x^9 + 768x^6
D• -256x^9 - 768x^8​

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

What is the number 321,000,000 in scientific notation? also what is the number? ?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2