The figures in the picture are similar to each other. Find the value of x, rounded to the nearest whole number.

What are the sotions to the quadratic equation 9x^2=4

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?