140 subtracted from the square of a number the result is three times the number find the negative solution

2.5 milligrams is equivalent to how many grams

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo

Someone which statements are true? check all that apply.