1) A rectangular field measures 60 meters in length and 40 meters in width. What is the perimeter of the field? a) a. 200 meters b) b. 300 meters c) c. 400 meters d) d. 500 meters 2) The radius of a circular swimming pool is 10 meters. What is the area of the pool? a) a. 200π square meters b) c. 100π square meters c) b. 300π square meters d) d. 500π square meters 3) Calculate the area of a triangle with a base of 8 cm and a height of 6 cm? a) a. 27 square centimeters b) b. 28 square centimeters c) c. 26 square centimeters d) d. 24 square centimeters 4) Find the volume of a rectangular prism with dimensions 5 cm, 10 cm, and 4 cm? a) a. 200 cubic centimeters b) b. 250 cubic centimeters c) c. 270 cubic centimeters d) d. 300 cubic centimeters 5) Simplify the expression: 3 (4+2) − 52 a) a. -8 b) b. 6 c) c. -7 d) d. 5 6) Find the value of x if 2x+3=15 a) a. 5 b) b. 6 c) c. -4 d) d. -3 7) Find the next two terms in the sequence: 2, 6, 10, 14, ... a) a. 18 and 22 b) b. 19 and 23 c) c. 24 and 25 d) d. 26 and 28 8) Identify the pattern and find the missing term in the sequence: 3, 6, 12, 24, ... a) a. 50 b) b. 52 c) c. 48 d) d. 49 9) A class of 30 students took a math test. The scores are normally distributed with a mean of 75 and a standard deviation of 10. What percentage of students scored above 85? a) a. 15.87% of students scored above 85 b) b. 16.87% of students scored above 85 c) c. 17.87% of students scored above 85 d) d. 18.87% of students scored above 85 10) A bag contains 5 red, 3 blue, and 2 green marbles. If a marble is chosen at random, what is the probability of selecting a blue marble? a) a. 0.4 or 40% b) b. 0.3 or 30% c) c. 0.5 or 50% d) d. 0.6 or 60%

ACTIVITY MATH 9

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