1. what units do we measure mass in? ?
2. a block is 3 cm wide by 3 cm tall by 6 cm long. what is the volume of the block
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3. what is an atom?
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4. give an example of a chemical change.
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∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)

Which is an equation for the nth terms of the sequence 12,15,18,21

Describe the domain and range of y=2(3)^x-2+5