Evaluate the expression. ( 4 - 9 )
A) –13
B) 13
C) –5
D) 5
E) 36
D) 5
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Solve.An open topped box with a square base will have volume of 9464 cubic inches and uses 2132 square inches of material. What are the dimensions of the box?
A. 52 in. by 52 in. by 3.5 in. B. 31 in. by 31 in. by 9 in. C. 13 in. by 13 in. by 56 in. D. 26 in. by 26 in. by 14 in.
The 1980s saw a trend toward old-fashioned punitive deterrence as opposed to the more liberal penal policies and community-based corrections popular in the 1960s and early 1970s. As a result, prisons became more crowded, and the gap between the number of people in prison and the prison capacity widened. The number of prisoners (in thousands) in federal and state prisons is approximated by the function
?
?
where t is measured in years, with 
corresponding to 1983. The number of inmates for which prisons were designed is given by
?
?
where C(t) is measured in thousands and t has the same meaning as before. Find an expression that shows the gap between the number of prisoners and the number of inmates for which the prisons were designed at any time t.
?
A. 
B. 
C. 
D. 
E. 
Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.392x2 + 672x + 288
A. (56x + 48)(7x + 6) B. 8(49x2 + 84x + 36) C. 8(7x + 6)2 D. irreducible
Solve.A plane flies 450 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 25 mph, what is the speed of the plane in still air?
A. 200 mph B. 205 mph C. 225 mph D. 190 mph