Determiner the digits in the one's place in the square of the following numbers. a)1876 b)69 c)24 d)13 e)10

What is the value of r of the geometric series?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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.