(uploading to make sure it’s correct) i’ll give brainliest

Carly made a beaded necklace. 4/18 of the beads are blue and 1/3 of the beads are green. use benchmark fractions to estimate about what fraction of the beads in the necklace are blue or green. explain

The ideal mechanical advantage of a machine reflects the increase or decrease in force there world be without friction, it is always greater than the actual mechanical advantage because all machines must overcome friction. true false

What is x and y when the right angle side is 7 and the angles are 90,45 and 45?