Anumber that can be written in the form , where a and b are integers and b 0, is known as which of the following?

a. rational number

b. irrational number

c. prime number

d. complex number

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?