In what ratio we increase 900 to get 1200​​

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

John bought 2 horses at rs 20000 each

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?