3x - 7
The perimeter is the sum of all 3 sides of the triangle
To find the third side subtract the sum of the 2 known sides from the perimeter
x + 3 + 2x + 4 = 3x + 7
third side = 6x - (3x + 7 ) = 6x - 3x - 7 = 3x - 7
Answer:
B,D
Step-by-step explanation:
the independent variable is what is being changed or manipulated and he is changing how many plays he gets. the amount of yards he gets is a result of the amount of plays so thats the dependent variable.
2t + 8 ≥ -4(t+1)
PEMDAS
2t + 8 ≥ -4t - 4
2t + 12 ≥ -4t
12 ≥ -6t
-2 ≤ t
Let C equal bags of cookies
Let M equal money earned
2.75c=m
Probably not enough sorry if it isn't
Answer:
If there are 2 quarters for every 3 nickels,
then there are 
quarters.
If there are 2 dimes for every quarter,
then there are 
dimes.
If the number of pennies and nickels together are equal to the number of dimes, then there are 
pennies.
