=40mn-12m+40mn-9mn+6n-24m+72mn-5mn-36mn
=102mn-36m+6n
True!
all parabolas with vertical directrix DO open to the left/right.
Answer:
16
24
12.8
Step-by-step explanation:
$22.50. change 25% into decimal. 0.25 and multiply the original price by percent in decimal form you will get the amount that is taken off so subtract that from original:)
The correct answer to this question is letter "D. x = 21, y = 14."
18 : 12
27 : x - 3
24 : y + 2
18 / 12 = 27 / x - 3
3 / 2 = 27 / x - 3
54 = 3x - 9
3x = 54 + 9
3x = 63
x = 21
18 / 12 = 24 / y + 2
3 / 2 = 24 / y + 2
48 = 3y + 6
3y = 48 - 6
3y = 42
y = 14
