If y = a (x - 3)(x - 5), where a is a nonzero constant,
and if the minimum value of y is -a, which of the
following must be true?
A) a > 0
B) a < 0
C) -3 D) -5

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

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?