Answer:
60
Step-by-step explanation:
Because 7.7^2 equals 60,
Answer : The equation could you use to find p is, 
Step-by-step explanation :
Let the cost of 1 pen be, 'x'
and the cost of 1 pencil is, 'p'
As we are given that total cost of 1 pen and 1 pencil is $2.10. The equation will be:
............(1)
And we have also given that the pen costs twice as much as a pencil. The equation will be:
............(2)
Now put the equation 2 in equation 1, we get:


Thus, the equation could you use to find p is, 
Answer:
You should go to algebraic calculator. its amazing
Step-by-step explanation:
brainliest?
The Answer is 2x + Y - 6 =0
Answer:
x=-4
Step-by-step explanation: