Ared ballon starts at 7 meters off the ground and rises at 3 meters per second. a ballon starts at 12 meters off the ground and rises at 2 meters per second. write and solve an equation to determine when the balloons are at the same height

Which choice represents the sample space ,s for this event

Which of the following is true for the relation f(x)=2x^2+1

Derek purchased a new gym membership. it costs him seven dollars a month plus two dollars for every time that he visits the gym. he wants to spend less than 25 dollars a month to visit the gym. write an inequality that models the situation using the variable v for the number of visits per month. also find the maximum number of visits he can make to the gym and still keep his cost below 25 dollars a month.