Translate to an equation, then solve.The difference between two positive numbers is 20. One number is three times the other number. Find the numbers.
A. 30 and 50
B. 20 and 30
C. 10 and 30
D. 10 and 20
Answer: C
You might also like to view...
Find the absolute maxima and minima of the function on the given domain.
on the closed triangular region with vertices 
and 
A. Absolute maximum: 4 at 
absolute minimum: 0 at 
B. Absolute maximum: 10 at 
absolute minimum: 4 at 
C. Absolute maximum: 6 at 
absolute minimum: 0 at 
D. Absolute maximum: 6 at 
absolute minimum: 4 at 
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. (a + 1)(a - 6)(a - 7) > 0
A. (-1, 6) ? (7, ?)
B. (7, ?)
C. (-?, 6)
D. (-?, -1) ? (6, 7)
Find a symbolic representation for f-1(x).f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. Not a one-to-one function
D. f-1(x) = 
Simplify the algebraic expression.-14.2 + 6.4x - 11.7 - 3.5x
A. 0.4x B. 3.9x - 25.9 C. 2.9x - 2.5 D. 2.9x - 25.9