Provide an appropriate response.Is the best buy (lowest cost per unit) always the best value? Give an example when this is not true and explain why.
What will be an ideal response?
No. Examples will vary. Reasons why are more quality in the same size, spoilage, size, etc.
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Solve the problem.An airplane leaves Los Angeles for Denver at a speed of 450 mph. Thirty minutes later, a plane going from Denver to Los Angeles leaves Denver, which is 850 miles from Los Angeles, at a speed of 470 mph. When they meet, how far are they from Denver?
A. 277 mi B. 55 mi C. 319 mi D. 111 mi
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 500 when x = 4 and z = 5
A. y = 25xz
B. y = 5xz2
C. y = 
D. y = 6xz2
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-1, 8), (2, 5), (5, -5), (6, -1)}
A. function domain: {-1, 2, 5, 6} range: {8, 5, -5, -1} B. function domain: {8, 5, -5, -1} range: {-1, 2, 5, 6} C. not a function