Sam and annika ride their bike to school. sam rides his bike (k) kilometers. annika rides her bike 2 less than 4 times as many kilometers as sam rides. what is the greatest distance in kilometers annika could ride her bike to school show or explain all your work. i don't get it

According to the national center for health statistics, in 1990, 28 % of babies in the united states were born to parents who were not married. throughout the 1990s, this increased by approximately 0.6 % per year. if this trend continues, in which year will 52 % of babies be born out of wedlock? in__52 % of babies will be born out of wedlock