Answer:
Step-by-step explanation:
set 30
1) 90-52 = x
38 = x
2) 90 -15-25=x
50 = x
set 31
1) t = 3m
m = independent
t = dependent
m t
![\left[\begin{array}{ccc}1 & 3\\2 & 6\\3 & 9\\4&12\\5&15\\6&18\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%20%26%203%5C%5C2%20%26%206%5C%5C3%20%26%209%5C%5C4%2612%5C%5C5%2615%5C%5C6%2618%5Cend%7Barray%7D%5Cright%5D)
2)
m = 25d
d = independent
m = dependent
m d
![\left[\begin{array}{ccc}1&25\\2&50\\3&75\\4&100\\5&125\\6&150\\7&175\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%2625%5C%5C2%2650%5C%5C3%2675%5C%5C4%26100%5C%5C5%26125%5C%5C6%26150%5C%5C7%26175%5Cend%7Barray%7D%5Cright%5D)
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Average Rate of Change:

Step-by-step explanation:
<u>Step 1: Define</u>
Interval -1 ≤ x ≤ 3
a = -1, b = 3
f(a) = f(-1) = 4
f(b) = f(3) = -4
<u>Step 2: Find Average</u>
- Substitute in variables [ARC]:

- Substitute:

- [Fraction] Subtract/Add:

- [Fraction] Divide:

Answer:
ibk looks it up please hope this helps
Answer:
B
Step-by-step explanation:
Two times the quantity of a number minus 12.
Represent the number with the variable y.
The quantity of a number minus 12 is then: (y-12).
Two times this quantity is 2(y-12).
So the answer is 2(y-12), which is B.