Can someone explain or help me with these problems
Please and thank you

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct