ANSWER

EXPLANATION
We determine the slope of each line using the slope formula;

The slope of BC is


The slope of AB is


The two lines are perpendicular so the product of their slopes is -1.

This implies that,




.
B. 8+(-10)
Explanation:
8-10 is -2
If you try all the answers, 8+-10=-2
Answer:
x=-6
Step-by-step explanation:
use distributive property on the () and times x and 1 by three
then you subtract 6 from both sides
then subtract three from both sides
then divide both sides by 3
your work would look like this:
3(x+1)+6=-9
3x+3+6=-9
3x+3=-15
3x=-18
x=-6
Hope this helps!
. The amount of TIME spent driving (which depends on the SPEED of the car) is 5 hours. means time(speed) = 5. TIME and SPEED are your key words and 5 is the key number.
Answer:
7
Step-by-step explanation:
70, 72, 72, 72, 74, 76
There are 6 numbers that have 7 as a 10. There are only 5 ones on the leaf of the stem 7. The 6 is missing.