Find the unit rate.2450 cars in 700 households (reduce to a one household comparison)
A. 1750 cars/household
B. 3150 cars/household
C. 0.286 car/household
D. 3.5 cars/household
Answer: D
Mathematics
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Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Find the unit tangent vector T and the principal unit normal vector N. r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. T = 
i + 
j + 
k; N = 
i + 
j
B. T = 
i - 
j + 
k; N = 
i + 
j
C. T = 
i - 
j + 
k; N = 
i + 
j
D. T = 
i - 
j + 
k; N = 
i + 
j
Mathematics
Provide an appropriate response.A painter can paint 5 standard office rooms in 4 hours. How many can he paint in 20 hours?
A. 25 rooms
B. 6
rooms
C. 16 rooms
D. 1 room
Mathematics
Use the figure to find the exact value of the trigonometric function.Find cos 2?.
A. 
B. 
C. - 
D. - 
Mathematics