(3a-7)^2
1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms
Marge has saved 20% to the cost of the vacation
Answer:
y = a + 2b + 3c
y = 4+ 2(7) + 3(2)
y = 4 + 14 + 6
y = 24
Step-by-step explanation:
Substitute in x to get:
4^2 = 16
16 - 5 = 9
It would trend continues how much it would be in shoes
