How many units long is the diagonal of the square?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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

Plz me so yeah i rly don't get this