Answer:
The expression is not defined in a set of real numbers.
The square root of a negative number is not defined in the set of real numbers.
Answer:
-6d^2 + 12d - 3
Step-by-step explanation:
use PEMDAS
parentheses
exponents
multiplication
division
addition
subtraction
use that order to solve problems like that.
The lower ratio would be bob and that dude need to slow down the hair stuff
10 to 8 ratio is about 8.00
7 to 6 ratio is about 9.00
im not to good at math so dubble cheek just in case hope i could help tho
rip my spelling
Answer:
There will be
billion messages sent or received in November.
Step-by-step explanation:
Given.
Number of text messages sent or received
billion.
Increment on the very next month 
Lets find what is 
⇒
⇒
So we will add this value to our previous months data.
Now
Number of text messages sent in the month of November
billion.
Rounding to the nearest tenth the answer will be
billion.
So
billion text messages were sent or received in November.
Step-by-step explanation:
7x + 8y = -12
8y=-12-7x
y=
