How much energy will a stock tank heater rated at 1790 watts use in a 24 hour period? 1. 1790 × 24 × 3600 joules 2. 1790 × 24 × 60 joules 3. 1790 joules

An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.

In what direction does the medium move relative to the direction of the wave? explain.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of