Answer: x= −
2.3 and the total equation looks like this: 9(-2.3) + 8.0 = -12.7
Right angle is the answer I think ( not sure though )
Answer:
126 groups
Step-by-step explanation:
we know that
This is a combination problem, because the order doesn't matter. He has 9 toys and wants to know the number of different combinations of 5 he can take.
The formula for the number of possible combinations of r objects from a set of n objects is given by

In this problem we have

substitute





Answer:
x=14
Step-by-step explanation:
Your unit rate is 1.5 because if you divide 12 by 8, you get 1.5. You divide 21 by your unit rate to get 14.