The martinez family started their garage sale one half hour after the smith family the smith family started their garage sale one hour before the carson family who started theirs at 8: 30 a. m. at what time did the martinez family start their garage sale? show work

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.