Solve the joint variation.If m varies jointly as x and y, and m = 24 when x = 6 and y = 9, find m when x = 15 and y = 8.
A. 60
B. 
C. 
D. 
Answer: D
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Solve the problem.Assume that from 1930 to 1980, the number of deaths from lead poisoning (per 100,000 people) decreased dramatically and could be modeled by 
where x is the year. Determine when, to the nearest year, this death rate was 75 or less by graphing y = f(x) and 
in 
by [0, 200, 25].
A. 1964 or after B. 1960 or after C. 1973 or after D. 1967 or after
Find an equation for the circle.Center at (0, 1), radius 3
A. x2 + (y + 1)2 = 3 B. (x - 1)2 + y2 = 9 C. x2 + (y - 1)2 = 9 D. (x + 1)2 + y2 = 9
Find the sum [A][B], if
?
What will be an ideal response?
Provide an appropriate response.Explain why, when one number is a factor of another, the least common denominator of the numbers is the larger number.
What will be an ideal response?