What is the x-intercept of the line with the equation -2x+1/2y=18

Can someone me do math because i am having a breakdown rn because i don’t get it

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds