The following is the distribution of weights (in kg) of 32 persons: Weight (in kg)

40-45

45-50

50-55

55-60

60-65

Number of

persons

4

4

13

6

5

a) What is the upper limit of 55-60?

b) Find the class-mark of the classes : 40-45, 50-55 and 60-65

PLS PLS PLS ANS. MY QUESTION I WILL MARK BRAINLIEST AND ALSO THANK WHOEVER ANSWERS ME.

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm