Answer:
The mean number of radioactive atoms that decay per day is 81.485.
Answer:
replace x with your answer and it should equal out
Step-by-step explanation:
Step-by-step explanation:
1 . when we collect like terms we only focus on the variables and the power of the variable I f exist so in this question the answer is 8x^2 because both have the same variable and same power or exponent.
2. one term is monomial
two terms is binomial
3. b
4. -9
5. c
1 down, means minus 1 from whole equation
moving 1 to left means add 1 to every x
reflecting across x axis means multiply every x by -1
a.

b.

c.
Uh.. Lemme see. Add up all the angle measures and then subtract them from 360. In this case, the answer is 87.