Answer:

Step-by-step explanation:
convert into degree masure

write as a product

calculate

calculate

Answer:
The answer is B hope this is right
Step-by-step explanation:
Answer:
x=7 and y= 1/3
Step-by-step explanation:
we have -5x - 15 = -30 <=> x + 3 = 10
x= 7
if x=7
so 2×7 - 6y = 12 <=> 14 - 12 = 6×y
2 = 6y
y= 2/6 = 1/3
Answer:
B One term of the polynomial has a degree of 3
Answer:
35
Step-by-step explanation:
180-145=35