Find an equation for the line with the given properties.Perpendicular to the line -5x - 3y = 13; containing the point (1, -1)
A. -3x + 5y = -8
B. -5x + 3y = -8
C. -3x - 5y = 13
D. -3x - 5y = -8
Answer: A
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Find RT if R1 = 56 Kê, R2 = 27 Kê, and R3 = 12 Kê.
a. 47.5 Kê
b. 68 Kê
c. 83 Kê
d. 95 Kê
e. 107 Kê
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 39
B. 3
C. 
D. 9
Graph the linear function. Give the domain and range.f(x) = x + 3
A. Domain: (-6, ?); range: (-?, 6)
B. Domain: (-?, ?); range: (-?, ?)
C. Domain: (-?, ?); range: (-6, 6)
D. Domain: (-?, ?); range: (-?, ?)
In the current first-year class of a community college, all the students come from three local high schools. Schools I, II, and III supply respectively 40%, 50%, and 10% of the students. The failure rate of students is 4%, 2%, and 6%, respectively. Given that a student fails, what is the probability that he or she came from school I?
Fill in the blank(s) with the appropriate word(s).