Find an equation of variation if the following conditions exist.Suppose y varies directly as x and y = 0.2 when x = 0.1.
A. y = 
B. y = 2x
C. y = 
D. y = 
x
Answer: B
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How many subsets and proper subsets are in the given set?the set of natural numbers less than 10
A. 511, 512 B. 510, 511 C. 512, 511 D. 511, 510
A radio station operating on 750 kHz has a carrier frequency of:
a. 750,000 Hz b. 7,500,000 Hz c. 75,000,000 Hz d. 75,000 Hz e. 7,500 Hz
Translate the problem situation to a system of equations. Do not attempt to solve.Sarah Comar's Candy Store sold a total of 33 pounds of jelly beans, selling two kinds of jelly beans. The first kind was priced at $3.45 per pound, and the second was priced at $1.12 per pound. In all, $83.56 was taken in for the two types of jelly beans. How many pounds of each kind were sold? (Let x represent the number of pounds of the first kind and y represent the number of pounds of the second.)
A. x + y = 33, 3.45x + 1.12y = 83.56 B. x + y = 4.57, 3.45x + 1.12y = 83.56 C. x + y = 33, 4.57x + y = 83.56 D. x + y = 83.56, 3.45x + 1.12y = 33
Solve the inequality.
> 7
A. (35, ?)
B. [35, ?)
C. (-?, 35)
D. (-?, 35]