Simplify.(5 - 15)2 ÷ (3 - 4)2
A. 50
B. -100
C. 100
D. -50
Answer: C
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Provide an appropriate response.The shape of a rope bridge stretched across a ravine can be described by the function 
where y is the height of the bridge (in feet) above the bottom of the ravine and x is the horizontal distance (in feet) from the center of the ravine. A hiker traveling at night shines his flashlight across the ravine, and the path of the beam of light can be described by the function 
Where does the beam of light intersect the rope bridge? Use a graphing calculator to answer the question by finding the point(s) of intersection of the two
equations. What will be an ideal response?
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 83% of 258?
A. 21,414 B. 21.41 C. 2141.4 D. 214.14
Provide an appropriate response.Suppose that you can invest $8000 in a business that guarantees you the following cash flows: $4000 at the end of 2 years, $3500 at the end of 4 years, and $2000 at the end of 7 years. Use a graphing calculator to graph the net present value as a function of the interest rate compounded annually. Determine the interest rates for which the investment is profitable.
Fill in the blank(s) with the appropriate word(s).
Solve.x - y + z = 63y + z = 15 z = 9
A. {(-1 , -2, 9)} B. {(0 , -3, 9)} C. {(-1 , 2, 9)} D. {(0 , 3, 9)}