Solve the inequality. Express your answer using interval notation.-4 ? 
x - 8 < 0
A. (3, 6]
B. [3, 6)
C. (3, 4]
D. [3, 4)
Answer: B
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The cross-sectional areaC, in square feet, of a river is given by the formula
,
where w is the width of the river and d is the depth. Both of these variables are measured in feet.The flow rate F, in cubic feet per minute, of the river is given by
,
where s is the speed of the river measured in feet per minute. A: Find a formula that gives the flow rate of a river in terms of the variables s, w, and d.B: Use the formula you found in part A to find the flow rate of a river with width 28 feet, a depth of 4 feet, and a speed of 34 feet per minute.
?
What will be an ideal response?
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.If an object weighs m pounds at sea level, then its weight W (in pounds) at a height of h miles above sea level is given approximately by W(h) = m 
2. How much will a man who weighs 165 pounds at sea level weigh on the top of a mountain which is 14,494 feet above sea level? Round to the nearest hundredth of a pound, if necessary.
A. 164.77 pounds B. 165.23 pounds C. 7.72 pounds D. 165 pounds
Solve the problem. Round to the nearest tenth, if necessary.A long-distance runner runs 3 miles directly south and then faces due east and runs another 10 miles. How far is the runner, in a straight line, from his starting point? 
A. 6.5 mi B. 10.4 mi C. 5.2 mi D. 54.5 mi