Answer:
-11
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
x² + 9x + 3
x = -2
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: (-2)² + 9(-2) + 3
- Exponents: 4 + 9(-2) + 3
- Multiply: 4 - 18 + 3
- Subtract: -14 + 3
- Add: -11
Answer:
(a)Jacob: 256 dandelions
(b)Jessica: 256 dandelions
Step-by-step explanation:
Jacob discovers that the growth over t weeks can be defined by the function:

Jessica finds that the growth function over t weeks is defined by the function:

After 5 weeks:
Number of Jacob's dandelions

Similarly,
Number of Jessica's Dandelions

After 5 weeks, Jacob and Jessica will have an equal number(256) of Dandelions.
Answer:
22-9=16
so,
22-9
is 16
then you would take
16=16
so, you would have to divide the 2 numbers
then 1 is your answer
Step-by-step explanation:
Answer:
only thr converse is valid.
Step-by-step explanation: