Evaluate the expression for the given value or values.-7x, for x = -3
A. 21
B. -
C. 
D. -21
Answer: A
Mathematics
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Provide an appropriate response.What values of a and b maximize the value of 
dx?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Construct an R chart.A machine that is supposed to produce ball bearings with a diameter of 7 mm yields the following data from a test of 5 ball bearings every 20 minutes.
What will be an ideal response?
Mathematics
Solve.In a lab experiment, 700 ml of salt water was added to 1.83 L of water. Later 300 ml of the solution was drained off. How much of the solution still remains?
A. 2548.3 ml B. 2230 ml C. 535.3 ml D. 583 ml
Mathematics
Factor out the GCF.5x2 + 25x
A. 5x2(x + 5) B. x(5x + 25) C. 5x(x + 25) D. 5x(x + 5)
Mathematics