exam Maths Puzzle Numerical Ability

what is the slope for x= -8

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exam Other Question

(3x-2y)^2=
a. 9x^2-4y^2
b. 9X^2+4y^2
c. 9x^2+4y^2-6xy
d. 9x^2+4y^2-12xy
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?