The grades on a geometry midterm at Springer are roughly symmetric with u = 68 and o = 2.0. Emily scored 69 on the exam.
Find the z-score for Emily's exam grade. Round to two decimal places.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom