Step-by-step explanation:
C.
π/9 is less than sqrt(9) / 3 which is 1. Also, this question is quite ambiguous, and the answer could be none, because sqrt(9)/3 can also be -1
A reflection across the y axis. You can tell by seeing that figure a looks like it's looking into a mirror at figure b. You can also tell because the points on figure a are the same distance away from the y-axis as they are on figure b.
Answer:
A. -3x
Step-by-step explanation:
Terms are the parts of an expression that are separated by + or - signs
-3x is a term, because it is separated from the rest of the expression by a - sign.
Answer:
D
-29
Step-by-step explanation:
Problem 1
In the first hour, the number of bacteria is 22
In the second hour,the number of bacteria is 44
It looks like the formula is some multiple of 22
That means you should pick D
Problem 2
n = 12
a = 15
d = - 4
an= 15 + (n - 1)*d
a12 = 15 + 11*(-4)
a12 = 15 - 44
a12 = - 29
