can someone pls help me understand how to find the equation to show the relationship between x and y for these? its only 6th grade math so it shouldnt be too hard

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.