Ababy elephant weighs 200 pounds at birth. seven years later, the elephant weight is 3,000 pounds. how much weight did the elephant gain each year?

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?