Perform the indicated operation.8.4 kg + 5.4 kg
A. 13.8 kg
B. 30 kg
C. 138 kg
D. 3 kg
Answer: A
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Solve the problem.Find the area of the triangle determined by the points P(1, 1, 1), Q(-9, -6, -3), and 
A. 
B. 11
C. 
D. 11
Solve the problem.On a Touch Tone phone, each button produces a unique sound. The sound produced is the sum of two tones and is given by 
and y = sin (2?ht), where l and h are the low and high frequencies (in hertz = Hz) associated with that button. 
The tone produced is thus given by y = sin (2?lt) + sin (2?ht). Write an expression that models the tone by pressing the "5" button as a product of sines and cosines.
A. y = 2 sin (2247?t) cos (707?t) B. y = 2 sin (707?t) cos (2247?t) C. y = 2 sin (566?t) cos (2106?t) D. y = 2 sin (2106?t) cos (566?t)
Provide an appropriate response.Two types of chickens, A and B, are raised in a chicken coop. Each day they receive 1.4 kilograms of corn and 2.8 kilograms of millet. Each chicken of type A requires 100 grams of corn and 200 grams of millet. Each chicken of type B requires 60 grams of corn and 120 grams of millet. How many of each type of chicken will the corn and millet support so that all of the food is consumed each day?
What will be an ideal response?
Identify the triangle as scalene, isosceles, or equilateral.
A. Scalene B. Equilateral C. Isosceles