Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Use a linear model to solve the application problem.The amount that a spring is stretched when a load is applied varies directly with the amount of the load. If a load of 60 pounds stretches a spring 4 inches, how much will the spring stretch if a load of 
is applied?
A. 6.2 inches B. 108 inches C. 3.1 inches D. 78 inches
Mathematics
Evaluate the integral.
A. - 
e-6x+1 + C
B. 4e-6x + C
C. - 
e-6x + C
D. - 
e-6x2 + C
Mathematics
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. cos2 ? + sin2 ? = csc2 ? + cot2 ?
A. No B. Yes
Mathematics
Use a calculator to compute. Round the result to two decimal places.-114.95 - 31.34
A. 83.61 B. -146.29 C. -83.61 D. 146.29
Mathematics