Simplify the expression. 4 + 18 ÷ 2 – 1

Me find the measure to side a and the process to solve the problem you appreciate it : )

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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.