The price of a pair of shoes is $45.90. the sales-tax rate is 5 percent. how much sales tax do you need to pay?
a)0.30 b)2.30 c)23 d)48.20

What is the slope of the line shown below?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?