Answer:

Step-by-step explanation:

Hope this helps ;) ❤❤❤
Answer:
Step-by-step explanation:
(a,9).......we dont know " a " (or x) but we do know y...it is 9
so sub in 9 for y and solve for x
y = 2x + 1
9 = 2x + 1
9 - 1 = 2x
8 = 2x
8/2 = x
4 = x <======= ur answer is D
Use FOIL
28x² -8xy +7xy -2y²
28x² -xy -2y²
Answer:
7x + 2y = 9
Step-by-step explanation:
standard form is always written as:
Ax + By = C
Answer: -11 degrees Celsius
Step-by-step explanation:
First you subtract 3-12 leaving -9 then you add positive 5 to -9 giving you -4 then add 9 to equal 5 and lastly 5- 16 to get -11.