Acoach needs both small and large cones to set up an obstacle course. the coach knows there are fewer than 30 cones in the storage room. the coach needs at least a dozen large cones. let x represent the number of small cones and y represent the number of large cones. which inequalities model the situation? select each correct answer.
x+y< 30
x≥0
y≥12
y> 12
x> 0
x+y≤30