Write the sine function with the listed attributes.
amplitude:2/3
period:3pi
phase shift: -2pi/3
vertical shift: -2

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Find the area of a parallelogram with base 15 yards and height 21 2/3

Rationalize the denominator- 12x/√x-10