Yes he is correct. This is because if you convert all the fractions to be out of 10, the equation is 8/10 minus 5/10 equals 3/10 which is correct. if you have any more questions let me know. i hope this helps :)
Answer:
a) 70
Step-by-step explanation:
because it is a C, so it is the median score
Answer: 8 and 9
Step-by-step explanation: 8*8=64 and 9*9=81
Answer:
154
Step-by-step explanation:
7*11+14*4+3*7=77+56+21=154
Answer:
11: Diameter
13: 10 cm
Step-by-step explanation:
Diameter is a straight line across a circle.
It would be 10 because if you cut 20 in half, which is the whole distance of the line, you would get 10.