Solve the problem.How many three-digit numbers have the sum of their digits equal to 20?
A. 32
B. 36
C. 40
D. 30
Answer: B
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Find the indicated term of the binomial expansion.(3x + 4)5; term containing x
A. 960x B. 5120x C. 3840x D. 2880x
Provide an appropriate response.The time it takes to go a given distance depends on the rate.(a)Write a function t(r) for the time it takes if the distance is 400 miles and the rate is r miles per hour.(b)How much time is needed when the rate is x?(c)If the speed is increased by 10 miles per hour, how much less time is needed?(d)How much less time is needed per mile per hour increase?(e)If the speed is increased by h, how much less time is needed?(f)How much less time is needed per unit increase?
What will be an ideal response?
Sketch a line passing through the point and having slope m.(0, 3), m = 
A. 
B. 
C. 
D. 
Insert < or > to write a true statement.- 6 
- 
A. - 6 < - 
B. - 6 > - 