Henrietta is planting a new flower garden. she must have yellow and red rosebushes. let x represent the number of yellow rosebushes and y represent the number of red rosebushes. she wants at least 4 times as many yellow rosebushes as red rosebushes. each yellow rosebush costs $7.50 and each red rosebush costs $4.75. she can spend no more than $125. select all of the constraints for this situation. 7.50x+4.75y≤125 x≥4y 7.50x+4.75y≥125 x> 0 y> 0 y≥4x