Solve the problem.A vendor has learned that, by pricing pretzels at $1.50, sales will reach 109 pretzels per day. Raising the price to $2.50 will cause the sales to fall to 69 pretzels per day. Let y be the number of pretzels the vendor sells at x dollars each. Write a linear equation that models the number of pretzels sold per day (y) when the price is x dollars each.
A. y = 40x + 49
B. y = -40x + 169
C. y = - 
x + 
D. y = -40x - 169
Answer: B
Mathematics
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Solve the problem.A floor tile measures 32 cm by 32 cm and weighs 200 g. How many kilograms would a stack of 38 tiles weigh?
A. 76 kg B. 0.760 kg C. 7.60 kg D. 760 kg
Mathematics
Evaluate the integral.
A. 
sin5x + 
sin 3x + C
B. 
sin 2x + 
sin 8x + C
C. 
sin 2x - 
sin 8x + C
D. 
cos 2x + 
cos 8x + C
Mathematics
Solve the equation. Express radicals in simplest form.(2m - 1)2 - 72 = 0
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Determine the point elasticity of the demand equation: q = p2 - 10p + 200.
Fill in the blank(s) with the appropriate word(s).
Mathematics