Answer:
A
Step-by-step explanation:
5a+4=9a+3-4a
5a-9a+4a=3-4
a=-1
Answer:
2^3 • 3^2
Step-by-step explanation:
Answer:
f(-2)=2
Step-by-step explanation:
f(-2)=4x+10
f=(4)(-2)+10
f=-8+10
f=2
Answer:
A. 49
Step-by-step explanation:
ratio of houses is 3 new to 7 old
21 new is 7 times more than 3, so 7 will also be 7 times more
so, 21 to 49
I hope that made sense
