Eight hundred fifty and five cents
Answer:
7a+28b=21
Step-by-step explanation:
7×a=7a
7×-3= -21
7×+4b=+28b
so....
7a-21+28b=0
7a+28b=21
Answer:
Step-by-step explanation:
when x = 5
x² + 8
= (5)² + 8
= 25 + 8
= 33
Answer:
9
Step-by-step explanation:
You can see it goes upwards
When x goes to the end point on left and right side, y increases rapidly
Solution: A
Since y increases on both ends