Find the LCM of the expressions.6x2y4z5, xy2z4
A. 6x3y6z9
B. 6x4y8z20
C. 6xy2z4
D. 6x2y4z5
Answer: D
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Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 4t2 - 1, y = -2t2 - 6, t = 8
A. 8.94; 333.4° B. 8.94; 153.4° C. 71.55; 153.4° D. 71.55; 333.4°
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 9 a.m. to 10 a.m. B. 12 p.m. to 1 p.m. C. 10 a.m. to 11 a.m. D. 1 p.m. to 2 p.m.
R1 = 2.2 Kê, R2 = 3.3 Kê, RL = 1.2 Kê, and E = 20 V. What is the value of ISC?
a. 2.89 mA
b. 6.06 mA
c. 9.09 mA
d. 13.54 mA
e. 15.15 mA
Use the circle graph to solve the problem. Give your answer as a fraction, decimal, and as a percent.The circle graph below shows the majors for 1200 college students at Blackwood Community College. What portion of the students are majoring in science?
A. 
; 0.33; 33%
B. 
; 0.375; 3.75%
C. 
; 0.375; 37.5%
D. 
; 0.33; 3.3%