Factor completely. If the polynomial is prime, say so.25x2 - 16
A. (5x - 4)2
B. Prime
C. (5x + 4)(5x - 4)
D. (5x + 4)2
Answer: C
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Solve the problem.At time 
a particle is located at the point (1, 1, 1). It travels in a straight line to the point 
has speed 2 at (1, 1, 1) and constant acceleration 
Find an equation for the position vector r(t) of the particle at time t.
A. r(t) = 
i - 
j - 
k
B. r(t) = 
i - 
j - 
k
C. r(t) = 
i - 
j - 
k
D. r(t) = 
i - 
j - 
k
Solve the problem.Given that src="https://sciemce.com/media/4/ppg__question0423191135__f1q1g5.jpg" alt="" style="vertical-align: -4.0px;" />
A. 85°
B. -105°
C. 115°
D. 95°
& 
, find the measure of angle x.
According to the data released by a city's Chamber of Commerce, the weekly wages of factory workers are normally distributed with a mean of $380 and a standard deviation of $50. Round your answers to four decimal places, if necessary. ? Find the probability that a worker selected at random from the city has a weekly wage of less than $300. ? __________ ? Find the probability that a worker selected at random from the city has a weekly wage of more than $460. ? __________ ? Find the probability that a worker selected at random from the city has a weekly wage of between $350 and $450. ? __________
What will be an ideal response?
Find the unknown in each percent question.70% of what number is 64?
A. 91.43 B. 914.3 C. 44.8 D. 9.14