Solve the following equation for the variable (a). -3a = 15
a = 5
a = 12
a = -5
a = 18

Will give a: 122 b: 90 c: 48 d: 180

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10

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