And ........ how am I supposed to do that
Answer:
your answer is right its 2.5 x 10^-9
Step-by-step explanation:
X + 9 = 2x - 8
x - 2x = -8 - 9
-x = -17
x = 17
BC = x = 17
Answer:
7.5kilometer
Step-by-step explanation:
for 30mins semin runs 5kilometer
then for 1min: (1min×5kilometer)÷30mins,
therefore, for 45mins: (45mins×5kilometer)÷30mins=7.5kilometer