Provide an appropriate response.Consider the linear equations y = 
x + 1 and y = - 
x + 3. How can you tell by inspection that these are perpendicular lines? Write each in standard form. Write a statement explaining how to determine by inspection if two lines (with equations written in standard form) are perpendicular.
What will be an ideal response?
Answers will vary.
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Solve.Skid marks can be used to determine the maximum speed of a car involved in an accident. If a car leaves a skid mark of 180 ft on a road with a 42% coefficient of friction, its speed (in miles per hour) can be estimated using 
. Find this speed to the nearest whole number.
A. 60 mph B. 39 mph C. 48 mph D. 52 mph
Find the quotient. Write the answer in standard form.
A. 7i B. -7 C. -7i D. 7
Use the Binomial Theorem to expand the binomial.(a3 - z4)6
A. a18 - z24 B. a18 - 6a15z4 - 30a12z8 + 120a9z12 + 360a6z16 - 720a3z20 - 720z24 C. a6 - 6a5z + 15a4z2 - 20a3z3 + 15a2z4 -6az5 + z6 D. a18 - 6a15z4 + 15a12z8 - 20a9z12 + 15a6z16 -6a3z20 + z24
The object shown in the figure is a cube (all edges are equal in length).
?
?
Suppose the length of the diagonal AH in the figure is 
feet. What is the length of edge AB?
Fill in the blank(s) with the appropriate word(s).