A16 foot ladder is leaned against a building and forms a right triangle with a 75degree at the base. how high up the building does the ladder reach

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges