Tutor profile: Dhruv S.
A circle in the xy-plane has center ( 5, 7) and radius 2. Which of the following is an equation of the circle?
(x-5)^2 + (y-7)^2 = 4
What type(s) of punctuation can be used to indicate a non-essential clause
commas and dashes
What are the stages of development according to Piaget, and what is the order?
Sensorimotor, pre-operational, concrete operational, formal operational
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