exam Maths Puzzle Numerical Ability

please help me solve x(x+5)=0

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exam Other Question

YOU DESIGNATE ONE ROW IN YOUR GARDEN TO BROCCOLI AND PEA PLANTS. EACH BROCCOLI PLANT NEEDS 12 INCHES OF SPACE AND EACH PEA PLANT NEEDS 6 INCHES OF SPACE. THE ROW IS 10 FEET LONG. IF YOU WANT A TOTAL OF 13 PLANTS, HOW MANY OF EACH PLANT CAN YOU HAVE? I need to know what 3 dimensional solid has a vertical cross section that is a retangel and a horizontal crosssection that is a circle. I need the name and picture. Thank you for your help