Solve.y varies jointly with x and w. If y = 2.4 when x = 30 and w = 8, find y when x = 45 and w = 8.
A. y = 36
B. y = 7.2
C. y = 360
D. y = 3.6
Answer: D
You might also like to view...
Solve the problem.To the nearest dollar, the average tuition at a public four-year college was 
the year Jane enrolled there and 
when her sister began college 2 years later. Find, to the nearest dollar per year, the rate at which tuition was increasing.
A. $118 per year B. $124 per year C. $107 per year D. $128 per year
Convert the measurement to degrees Celsius. Round your answer to the nearest tenth of a degree if necessary.176°F
A. 112.0°C B. 80.0°C C. 348.8°C D. 65.8°C
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.x ? 5 and x ? -3
A. (-3, 5)
B. [-3, 5]
C. (-?, -3] ? [5, ?)
D. ?
Evaluate the determinant of the matrix below to determine which of the following makes the equation true.
A. 
B. 
C. 
D. 
E. 