The hawk population in a county is declining at a rate of 1.4% per year. the population was 3800 in the year 2016. which answer is the best prediction of the population in the year 2020?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.