Provide an appropriate response.
The staircase in a house has 15 risers, each one 
inches high. What is the total rise of the steps?
A. 
inches
B. 
inches
C. 
inches
D. 
inches
Answer: C
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Express 17 /30è in rectangular form.
a. 14.7 + j8.5 b. 8.5 + j14.7 c. 9.8 + j9.8 d. 17 + j17 e. 8.5 + j8.5
Solve the problem.
Let x = 20 and y = 5. Find the pitch of the roof.
A. 
B. 
C. 
D. 
Solve the equation using the quadratic formula.
x2 + 
x + 
= 0
A. 
B. 
, 
C. No real solution
D. - 
Solve the problem.One Internet service provider has the following rate schedule for high-speed Internet service:Monthly service charge$18.001st 50 hours of usefreeNext 50 hours of use$0.25/hourOver 100 hours of use$1.00/hourWhat is the charge for 50 hours of high-speed Internet use in one month?What is the charge for 75 hours of high-speed Internet use in one month?What is the charge for 135 hours of high-speed Internet use in one month?
Fill in the blank(s) with the appropriate word(s).