Answer:
B
Step-by-step explanation:
B because range of set B is more than set A
range B=56-12=44
range A=55-12=43
The surface area of that cube is 8.64 cm
Answer:
The sum of the age of pupils is 81
Step-by-step explanation:
Let sum of age of 18pupils = x
Average ages = 4.5
Average = total/no. of pupil
4.5 = x/18
x = 81
567 / 18 = 31.5
But because she can't make half a shelf, the answer would be 32 shelves
Answer:
A
Step-by-step explanation:
2(3) + (3) = 9
3(3) - 2(3) = 3
