What is -2(3x+12y-5-17x-16y+4) simplified? -40x+8y+2 28x+8y+2 28x+6y+2 -28x-8y+2

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?