Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.2x + 4y = 163x - 3y = 72.6
A. (18.8, 5.4)
B. (18.8, -5.4)
C. (-5.4, 18.8)
D. Inconsistent, ?
Answer: B
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The speed for certain animals is related to the stride length by a power function. It is observed that if the stride length is doubled, the speed increases by a factor of 2.33. What is the value of the power k for this power function? Round your answer to two decimal places if necessary. ?
A. 
B. 
C. 
D. 
Solve. Remember to insert units when writing your answer.In a lab experiment 700 ml of salt water were added to 1.67 L of water. Later, 230 ml of the solution were drained off. How much of the solution still remains?
A. 637 ml B. 2,140 ml C. 549.7 ml D. 2,386.7 ml
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest 
expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If a retirement account pays 6% annual interest, determine how much a 
worker would have to deposit in this account every 4 weeks in order to have a million dollars at age 65.
A. $4326.44 B. $334.75 C. $33,474.92 D. $43.26
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain.
? 
= x
What will be an ideal response?