Answer:
a = 7 ($1)
b = 8 ($5)
Step-by-step explanation:
a + b = 15 | (-)
1a + 5b = 47
- a - b = - 15
a + 5b = 47
------------------ +
-a + a - b + 5b = - 15 + 47
4b = 32
b = 32 : 4
b = 8
a = 15 - 8 = 7
Answer:
Friday night.
Less expensive.
Step-by-step explanation:
Cost of 1 ticket on Friday = 48/3 = $16.
Cost on Saturday = 36 / 2 = $18.
Now 96 / 6 = $16 so the brother and his friends will have to go to the Friday concert. From the above costs we see that they did buy the less expensive ticket.
No. If a scatterplot shows no association, then there is no relationship between the variables.
Answer:
2 & the second part is one unique solution
Step-by-step explanation:
on edge2020
