A refrigerator is priced at $525 with a 6% sales tax. What is the sales tax for the refrigerator? A $315.50
B $31.50
C $493.97
D $557.03

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?