(x^2-2)(5x+1)=(x^2)(5x)+(x^2)(1)+(- 2)(5x)+(-2)(1) is an example of: a. vertical multiplication b. complex conjugated c. foil d. dividing two binomials

C

Step-by-step explanation:

The FOIL method is a handy way to remember how to multiply two binomials.

It stands for "First, Outer, Inner, Last" and works as

In your case it looks like

78.59 is the mean

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: