-2+(-1) is ? Unit(s) from -2, in the ? Direction.

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Which of the choices shown could be used to prove that aacp=abcp ?