PLEASE ASAP All the passages in a cave have an elevation above -4 feet with respect to sea level. let x be the elevation of a passage in feet. Write an inequality that represents elevations above -4 feet.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .