I would recommend calculatorsoup.com for the fractions part.
Answer:
a=8
Step-by-step explanation:
B. 250 cm3 hope this helps
step 1First, see how many letters in MATHCOUNTS are also in TEACH.
M no
A yes
T yes
H yes
C yes
O no
U no
N no
T yes
S no
That is 5 out of the 10 letters.
so
<span>the probability=</span>5/10-------> 1/2
<span>
the answer is1/2</span>