For the function f(x) = -(x + 1)² + 4, find the following components of the function and its graph: (be sure to write everything its proper
format interval notation- use infty as needed, point form, or equation)

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?