Cos 45=7 under root 2 /AB
1 / Under root 2 = 7 under root 2 / AB
AB=14
Ans = 14(b)
Answer:
Question 2: Option B
Step-by-step explanation:
The number of ounces and the total price for yogurt cup A is not stated, therefore, I can not answer question 1 properly.
<h3>For question 2:</h3><h3 />
Unit rate formula for price is: 
32 ounces of yogurt sell for 1.62.
So:

0.050625 ≈ 0.05
<em>Option B should be the best answer. </em>
Answer:
x=27
Step-by-step explanation:
-4x+4=-3x+31
4=x+31
27=x
The x² term will be C(5,2)x²·2³ = 80x².
The coefficient is 80.
_____
C(n, k) = n!/(k!·(n-k)!)
C(5, 2) = 5·4/(2·1) = 10