Determine whether the relation is a function.{(3, 5), (3, 5), (4, -9), (9, 5), (11, 1)}
A. Yes
B. No
Answer: B
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Provide an appropriate response.In right triangle ABC, with right angle C, side a = 12, b = 16, and c = 20, find the tan B expressed as a fraction in lowest terms.
Fill in the blank(s) with the appropriate word(s).
Use a proportion to solve the problem.Under typical conditions, 1
ft of snow will melt to 2 in. of water. To how many inches of water will 2
ft of snow melt?
A. 4
in.
B. 3
in.
C. 3
in.
D. 5
in.
Set up the linear programming problem.A steel company produces two types of machine dies, part A and part B and is bound by the following constraints:? Part A requires 1 hour of casting time and 10 hours of firing time. ? Part B requires 4 hours of casting time and 3 hours of firing time.? The maximum number of hours per week available for casting and firing are 100 and 70, respectively.? The cost to the company is $0.75 per part A and $3.00 per part B. Total weekly costs cannot exceed $45.00.Let x = the number of part A produced in a week and 
number of part B produced in a week. Write a system of three inequalities that describes these constraints.
A. 
B. 
C. 
D. 
Solve the formula for the indicated variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 