Y = mx + c
y = 0.5x
y = 0.5*4 = 2
(4,2)
Well this one is very simple. It seems to give 1 lb per 4 dollars spent. So, the best way to state this mathematically is x=4y or x=4×y.
Hello I hope this helps. I'm pretty sure this is the answer.
Part A: C
Part B: A
The length of q, to the nearest 10th of a centimeter is 7.6 cm.
Given in question,
In ΔOPQ,
o = 9.2 cm
p = 2.4 cm
∠Q = 37°
Cosine formula ⇒ cos θ = 
Putting the values in equation,
cos 37 = 
0.799 = 
0.799*44.16 = 90.4 - 
32.28 = 90.4 - 
= 90.4 - 32.28
= 58.12


q = 7.6 cm (to nearest 10th)
Hence, length of q is 7.6 cm.
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