Derek is working out in order to be in shape for the upcoming football season. he does cardio exercises and strength training. each hour he spends doing cardio burns 200 calories and each hour he spends doing strength training burns 100 calories. derek's coach recommends that he spend more than twice as much time doing cardio exercises as he does doing strength training.

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Is there an x intercept in the equation 60*1.15^x