X = 13/2 or 6 1/2. Hope this helps!
Step-by-step explanation:
I can only answer part 2 of your question, "If we multiply two positive numbers, is the result positive or negative?". if you multiply 2 positive numbers your answer would be positive.
Answer:
$5
Step-by-step explanation:
medium popcorn- 2x
total - $23
large- 2x+3
23=4x+3
20=4x
x=5
Answer:
m∠3 = 143°
Step-by-step explanation:
m∠1 = 53°
m∠2 = 180 - (90 + 53) = 37°
m∠3 = 180 - 37 = 143°