Its a simple question really I just can't get the answer for some reason lol it's just a function pls show steps and I will award the brainliest answer.

h(0.5)=-5(0.5)^(2)+5(0.5)

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?