Translate to an equation, then solve.five more than a number is equal to fifteen.
A. 5 + n = 15, n = -10
B. n = 15 + 5, n = 20
C. 5 - n = 15, n = -10
D. n + 5 = 15, n = 10
Answer: D
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Use the decibel scale to answer the question.What is the loudness, in decibels, of a sound 33 trillion times as loud as the softest audible sound?
A. 162 dB B. 108 dB C. 189 dB D. 135 dB
Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 5 cos t, y = 5 sin t, ? ? t ? 2?
A. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
B. x2 + y2 = 25
Clockwise from (5, 0) to (-5, 0)
C. x2 + y2 = 25
Counterclockwise from (5, 0) to (5, 0), one rotation
D. x2 + y2 = 25
Counterclockwise from (-5, 0) to (5, 0)
Assume the pentagon in the star is regular.The measure of ?A is?
(a) 36°
(b) 54°
(c) 72°
(d) 108°
(e) 144°
Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Graph the following set of parametric equations for 0 ? t ? 2? and identify the letter of the alphabet that the graph resembles.x1 = -2 - 1.2 sin(0.7t),y1 = 3 - 1.2 cos(0.7t)x2 = -2 + 1.2 sin(0.7t),y2 = 0.6 + 1.2 cos(0.7t)
A. C B. O C. S D. U