Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 9.2x - 2.1
B. y = 10x - 3
C. y = 9.8x - 2.6
D. y = 9x - 3
Answer: C
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Provide the requested response.Choose the correct viewing rectangle to match the settings: 
by 
A. 
B. 
C. 
D. 
Solve and, when appropriate, round the answer to the nearest tenth.The length L that a spring is stretched from its natural length using W amount of work (in foot-pounds) is given by L = 
, where k is a given constant for the spring. If a certain spring has a constant value k of 47.4 and the spring is to be stretched 1.6 feet from its natural length, how much work will be necessary?
A. 30 foot-pounds B. 37.9 foot-pounds C. 60.7 foot-pounds D. 121.3 foot-pounds
Rewrite the expression with a rational exponent.
A. 
B. 551/2
C. 552
D. 
? 55
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.8y6 - 9
A. Binomial, degree 0 B. Binomial, degree 7 C. Binomial, degree 6 D. Monomial, degree 8