The circumference of a cirlce changes from 20 to 4 after a dilation. what was the scale factor of the dilation? a.)1/25 b.)1/5 c.)5 d.)25

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.

Plz me so yeah i rly don't get this