Can someone me with these questions ! 1. who is the author? how does this impact their point of view? 2.when was the letter written? what was happening in america at that time?

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?

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Factor the expression using gcf 9b+45