Write an expression that illustrates the quantity described.The actual speed of a boat that goes 19.4 miles per hour against a current of 3 miles per hour
A. 16.4 miles per hour
B. 19.4 miles per hour
C. 3 miles per hour
D. 22.4 miles per hour
Answer: A
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Solve. A science student watching a group of ants moving along a straight line determines that their position along the line at time t is given by the polynomial 
Factor the polynomial.
A. t(t2 + 3t - 26) B. t(t3 + 3t2 + 26t) C. t(t3 + 3t2 - 13t + 39) D. t(t2 + 3t + 26)
Your lean body weight 
, in pounds, is the amount you would weight if all the fat in your body were to disappear. The following formula gives an estimate for lean body weight in young adult males:
.
?
Here 
is total body weight in pounds and 
is abdominal circumference in inches.A: If a young adult male's abdominal circumference remains the same, but his total weight increases by 5 pounds, how is lean body weight affected?B: If a young adult male's total weight remains the same, but abdominal circumference increases by 3 inches, how is lean body weight affected?C: A young adult male has a lean body weight of 146.00 pounds. Over a period of time he gains 15 pounds and his abdominal circumference increases by 2 inches. What is his lean body weight now?
What will be an ideal response?
Rationalize the denominator.
A. 3
B. 
C. 
D. 7
Factor completely.12x2y2 + 17xy2 + 6y2
A. (4x + 2y)(3x + 3y) B. y2(x + 2)(12x + 3) C. y2(3x + 2)(4x + 3) D. (3x + 2y)(4x + 3y)