exam Maths Puzzle Numerical Ability

how would u write a linear equation for this: the number of calories a person burns doing an activity is directly related to the time (in minutes) the person spends dong the activity. A person weighting 160 lbs burns 73 calories dancing for 20 minutes

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exam Other Question

For each of the following, find the vertex by completing the square:
a) y=-3x^2-6x+4
b) y=4x^2-12x-2
c) y=1/3x^2+2x-1
CAn someone please help me ?? I am having trouble with this question, can you help? This is needed for my class. Thanks

Describe at least two real-life examples where inequalities are used either at home or