The sum of a number 9 is multiplied by -2 and the answer is -8 find the number.

What is the area of the triangle 10 13 12

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220