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『An object, 4.0 CM in size, is placed at 25.0 CM in front of concave mirror of focal length 15.0 CM. At what distance from the mirror should a screen be placed in order to obtain a sharp image? find the nature and size of the image.』

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Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees. (10 points)

In what form is the following linear equation written y=9x+2

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?