Answer:
64
Step-by-step explanation:
256 being rounded would become 260 and 321 would become 320 so adding up the estimates the would be 580 (real answer is 577)
Answer:
Step-by-step explani think its power 10 wizard cards
ation:
Answer: x= 22.5, angle B = 67.5
Step-by-step explanation:
90+3x+x= 180
4x = 90
x=22.5
3(22.5)= 67.5
Answer:
6
Step-by-step explanation:
2x =4
x=4:2 =2
3x =3 ×2 =6