Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.
+ 
A. 8
B. 7
C. 8
D. 7
+ 3
Answer: C
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Find the derivative of y with respect to the independent variable.y = (ln 6?)?
A. ?(ln 6?)?-1
B. 
(ln 6?)?-1
C. (6?)? ln ?
D. 
(ln 6?)?-1
Find the slope and y-intercept of the line.x + y = 8
A. slope = 1; y-intercept = 8 B. slope = -1; y-intercept = 8 C. slope = -1; y-intercept = -8 D. slope = 0; y-intercept = 8
Solve the problem.The inequality |T - 8| ? 13 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. -20 ? T ? 36; The monthly averages are always within 
B. -5 ? T ? 21; The monthly averages are always within 
C. 21 ? T ? 34; The monthly averages are always within 
D. 36 ? T ? 64; The monthly averages are always within 
Solve.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 6 feet. Find the length of the ladder if the length is 2 feet more than its distance from the wall.
A. 6 feet B. 12 feet C. 10 feet D. 8 feet