15 points + Brainlest Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
x+y=-4
-2x-2y=6

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?