Scott is using a 12 foot ramp to help load furniture into the back of a moving truck if the back of the truck is 3.5 feet from the ground what is the horizontal distance from where the ramp reaches the ground to the truck

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

What is x3+3x2−16x−48 divided by x−1?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me