9 candles because u have to divide 15 by 6 then divide 22.50 by the answer
The 2 one I believe. Hope this helps you
Hello,
y=x²+10x+11
y=x²+x-7
==>x²+10x+11=x²+x-7
==>9x=-18
==>x=-2
Sol={(-2,-5)}
Answer: Carat
Step-by-step explanation:
It is given that 1 atomic unit is equivalent to
and 
Express carat and milligram in the atomic mass unit, that is

For milligram

clearly, carat is greater than milligram
Answer: C. (10, -10)
Step-by-step explanation:
Given
1) 2x-3y=50
2) 7x+8y=-10
Multiply both sides of 1) equation by 3.5
1) 3.5(2x-3y)=3.5×50
7x-10.5y=175
2) 7x+8y=-10
Subtract 2) equation from the 1)
(7x-10.5y)-(7x+8y)=175-(-10)
-18.5y=185
y=-10
x=10
(10, -10)
Hope this helps!! :)
Please let me know if you have any questions