as randomly selected securities are combined to create a portfolio, the risk of the portfolio decreases until 10 to 20 securities are included. the portion of the risk eliminated is risk, while that remaining is risk.

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

Carlo is wondering what causes plants to grow at different rates. carlo’s hypothesis is “plants will grow more when the day is longer.” what would be the difference between the test group and the control group in this experiment? type of soil type of plants exposure to sunlight method for measuring the growth

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions