Solve the equation.4-x = 
A. 
B. 
C. {-2}
D. {2}
Answer: D
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Find the velocity vector in terms of ur and u?.r = a(7 - cos ?) and 
= 5
A. v = (5a cos ?)ur + 5a(7 - sin ?)u? B. v = 5a(7 - cos ?)ur + (5a sin ?)u? C. v = (5a sin ?)ur + 5a(7 - cos ?)u? D. v = (7a sin ?)ur + 7a(5 - cos ?)u?
Factor the polynomial completely. If the polynomial is prime, so state.-75x3 - 130x2 - 40x
A. x(3x + 4)(-25x - 10) B. -5(3x2 + 4)(5x + 2) C. -5x(3x + 4)(5x + 2) D. x(-15x - 20)(5x + 2)
A function of x is depicted in the graph. Find any input values that produce the indicated output.f(x) = -4
A. 4 B. -4 C. 3 D. 2
Solve the problem.48.5% of the students at a certain college are men. If the total number of students at the college is 3800, how many female students are there?
A. 1957 B. 1977 C. 1900 D. 1843