HELP ASAP I WILL MARK BRAINLIEST Which diagram shows ∠1 and ∠2 as vertical angles?

A) A

B) B

C) C

D) D

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Use the distributive law to multiply. 3(4x + 5y + 6)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r