Use the reciprocal identities for the following problem.
?
If tan ? = 0a, (a? 0) find cot ?.
What will be an ideal response?
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Write the equation of the line with the given conditions.passing through (3, -7) and perpendicular to the line with equation 4x - 5y = -23
A. y = - 
x - 
B. y = - 
x - 
C. y = 
x - 
D. y = - 
x - 
Use the power rules for exponents to simplify. Write the answer in exponential form.(2x3y2)3
A. 8x6y5 B. 8x9y6 C. 2x6y5 D. 2x9y6
Find the equation for the hyperbola described.Vertices at (0, -7), (0, 7); focus at (0, -9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 4 minutes, what will it read after being in the room for 7 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 69.99°F B. 99.69°F C. 50.31°F D. 25.23°F