Answer:
The first one: 19/15a
second one: b²-4ac = D
Step-by-step explanation:
for first one: take LCM and solve
for second one: you square the expression on both sides then b²= D + 4ac, then when you take 4ac to the left hand side, it becomes b²-4ac= D
No.
1/4 would be proportional to 9/36.
8/36 can be simplified to 4/18, and further reduced to 2/9.
Times what by 20% ? If you can ask me the full question i would love to help!
Answer: -1
Step-by-step explanation:
Subtract each fraction by each other than simplify
Answer:
D. 172.5 inches cubed
Step-by-step explanation:
Have a good day :)