Answer:
Step-by-step explanation:
Answer:
102 degrees bc it is vertical angle means there's same degree
Answer:
Step-by-step explanation:
= x²(-3 +5) +y²(2 -3) +5xy -2y
= 2x² -y² +5xy -2y
a) there are 4 terms in the simplified expression
b) 2 terms have negative coefficients (-y² and -2y)
Step-by-step explanation:
hope this helps. n=6 or n=9 work is in the attached pic