20 POINTS QUICK PLEASE HELP! D: A rock starts rolling down a slope of measure 0.75. How far (in meters) from its starting point is the Rock when it is 60 meters below its starting point?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Can someone show me step by step how to do this?

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49