Sara says, "If you subtract 12 from my number and multiply the difference by - 7, the result is - 112." What is Sara's number? Sara's number is

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.