Answer:
4x + 7y
Step-by-step explanation:
4(x+y) + 3y
Distribute
4x+ 4y+ 3y
add like terms
4x + 7y
Answer:
https://tex.z-dn.net/?f=(x%2B10)%5E%7B2%7D%20
Step-by-step explanation:
I think it's A! definitely not C or D
Answer:
1) d < -2
2) b < 3
Step-by-step explanation:
1) d+3< 1
subtract both sides by 3
d+3 -3 < 1-3
d<-2
2) b+6< 9
subtract both sides by 6
b+6 -6 < 9 -6
b< 3
Answer: 65.1 (mg)
Step-by-step explanation: