Askydiver parachutes to the ground. the height y (in feet) of the skydiver after x seconds is y=-10x+3000. if the skydiver lands on land on the ground after 300 seconds what is the x-intercept

Which equation matches the graph shown ?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

What number line represents the solution set for the inequality -1/2 greater than or equal to 4