For a contest, Dominique is stacking 3 super-long pens lengthwise on top of each other. Each pen is 2 feet long. If she succeeds, how many inches tall will her stack of pens be?

 A dolphin can typically hear sounds with frequencies up to 150 kHz. What is the speed of sound in water if a wave 

      with this frequency has a wavelength of 1.0 cm?

Speed = _________________    Wavelength = ___________________   Frequency = _____________________

Formula: _____________________________

Plug in the numbers: __________________________________

What is the divisor for 21/56 equals 3/8 in fractions

A rectangle has twice the area of a square. The rectangle is 8 in. by 4 in. What is the perimeter of the square?

Is 4x-2y=-1 a linear equation

Peter is overweight. He is 105 kg. His aim is to lose 500 g per week. If he manages this, how many weeks 
will it be until he is 90 kg?

What health consequence is most likely to reach from alcohol abuse 

The population of a city is 550 000. It is expected that this population will increase by 42% by the year 2008. Calculate the expected population in 2008.

mx+4y=3c

Henry , counted 350 lockers in his school. HAYLEY counted 403 lockers in her school. How does the 3 in 350 compare to the 3 in 403?

What are parts of nucleotides