Three times a number, minus 7, is equal to two times the number, plus 8. Find the number.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

How are sas and sss used to show that two triangles are congruent?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?