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Questions in Grade Middle-school

[Answered] A cereal manufacturer puts a 50-cent coupon in every eighth box and a free coupon in every hundredth box. What is the first time you would get both coupons in the same box?

[Answered] Solve the following equations: 1. \(-15 = -4m + 5\) 2. \(8n + 7 = 31\) 3. \(-10 = 10(k - 9)\)

[Answered] George has a small coin collection. He has collected 16 gold coins, 28 silver coins, 32 copper coins, and 4 bronze coins. At a flea market, George sells 15% of his coins. Find the number of coins he sold.

[Answered] What is the range of the function: \(\{(1, 3), (3, 5), (5, 7), (7, 9)\}\)? A. \(\{1, 3, 5, 7\}\) B. \(\{1, 9\}\) C. \(\{3, 5, 7, 9\}\) D. \(\{1, 3, 5, 7, 9\}\)

[Answered] Which of the following represents a function? A. X = 1 1 1 1 1 Y = 2 3 4 5 6 B. X = 1 2 1 2 1 Y = 0 1 2 3 4 C. X = -2 -1 0 -1 -2 Y = 2 3 4 5 6 D. X = 1 2 3 4 5 Y = 5 4 3 2 1

[Answered] How do you determine if the line segments are congruent?

[Answered] Identify one harmful environmental change that occurs when a volcano erupts.

[Answered] explain why the air mass centered over zone A is colder ans drier than the air mass centered over zone B.

[Answered] Which number is equal to its additive inverse?

[Answered] You exercise for one hour each day and burn 8.5 calories per minute. If you graphed the number of calories burned as the output compared to the number of minutes exercised as the input, what would the graph look like? Which of the following would not be true? A. The graph would be a line. B. The graph would rise from left to right. C. The graph would be only in the first quadrant. D. The larger the number of minutes, the fewer calories you would burn.