Answer: arithmetic
Step-by-step explanation:
arithmetic is if it is added or subtracted by a common number while geometric is multiplied or divided by a common number.
Answer: 
Explanation: Denominators of a fraction can be equivalently written as their value to the power of negative 1. In this case the denominator expression itself has an exponent of 6, which taken to the power of negative one becomes -6:
Answer:
the slope is -1
m = -1
Step-by-step explanation:
y2 - y1 y
--------- = ----
x2 - x1 x
= y/x = m
2 - 6
-------
1 - - 3
= -4/4
m = -1
Answer:
7 more students need to sign up.
Step-by-step explanation:
if you subtract the number of students needed by the number of students you have, you get 7 (30-23)
