Caroline packs 12 jars of jam in a box. she has 40 boxes. she has 542 jars of jam. how many jars of jam will she have left when all the boxes are full?

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.