Answer:
Step-by-step explanation:
the relationship between <4 and <7 is they are vertical angles
2х3+10х+2у2-х-у=2х3+9х+2у2-у=2*3in3+9*3+2*5in2-5=2*27+27+2*25-5=54+27+50-5=126
Answer:
A 20/28
Step-by-step explanation:
Answer:
30
Step-by-step explanation: