Answer:
w
Step-by-step explanation:
The sum of all the angles must be 180 degrees.
Answer:
I cant even see anything can you reupload your answer, please?
Step-by-step explanation:
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