1. On graph paper, draw diagrams of a+a+a+a and 4a when a is 1, 2, and 3. What do you notice? 2. Do a+a+a+a and 4a have the same value for any value of a ? Explain how you know.

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What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?