Simplify the expression using order of operations.-3
A. 0
B. 9
C. -5
D. -9
Answer: D
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Solve the differential equation.y' + 2xy = 19x
A. y = 19 + Cex2
B. y = 
+ Cex2
C. y = 
+ 2x + Ce-x2
D. y = 
+ Ce-x2
Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 16 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 8t2. Find the distance the object travels in the first 10 seconds.
A. 80 feet B. 160 feet C. 800 feet D. 100 feet
Solve the problem.A sawmill trims rough cut boards to look smooth. When a board is rough cut, it is 4 inches wide. When it is trimmed, it is 3
inches wide. How much width was trimmed off?
A. 
inch
B. 
inches
C. 
inch
D. 4
inches
Find approximate solutions of the equation. Round your results to the second decimal place. Use a graphing calculator table to verify your work.3x2 + 8x - 6 = 0
A. -3.28, 0.61 B. -13.00, 10.33 C. -6.55, 1.22 D. -9.83, 1.83