P ⇒ Parenthesis
E ⇒ Exponents
M ⇒ Multiplication
D ⇒ Division
A ⇒ Addition
S ⇒Subtraction
Here is how I was taught to remember all the letters. (Please Excuse My Dear Aunt Sally)
4x + 7y = 1 ⇒ 12x + 21y = 3
3x + 10y = 15 ⇒ <u>12x + 40y = 60</u>
<u>-19y</u> = <u>-57</u>
-19 -19
y = 3
4x + 7(3) = 1
4x + 21 = 1
<u> - 21 - 21</u>
<u>4x</u> = <u>-20</u>
4 4
x = -5
(x, y) = (-5, 3)
Answer:
12.60
Step-by-step explanation:
That's the answers for those 26) B
27) C
28) C
Answer:
1. Answer is C
4. Answer is G
Step-by-step explanation:
I'm not sure how to explain 1 since I used a calculator.
Number 4 is where you choose a point on the line and count 4 blocks up and 5 blocks left. If it hits another point on the line then that's the graph.
