Answer:
2n+2
Step-by-step explanation:
Let the number = n.
Add 1 to n:
n+1
Double n+1:
2(n+1)
Distribute:
2n+2
Answer: ph+2b
Step-by-step explanation:
Answer:
3.5
Step-by-step explanation:
1 - (-2.5) = 1 + 2.5 = 3.5
#21: (4•4) + (7•7)= (c•c)
16+49= (c•c)
65=(c•c)
_/65= c
#22: 22+90= 112
180-112= 68
68
#23: (3.5•3.5) + (4.7•4.7) = (c•c)
12.25 + 22.09= (c•c)
34.34= (c•c)
_/34.34= c
#24: 22+90= 112
180-112= 68
68