2d^2 -2d-7
(14d^2 - 8) + (6d^2 - 2d + 1)
14d^2 - 8+ 6d^2 - 2d + 1
20d^2 - 7 - 2d
20d^2 - 2d - 7
Answer:
b
Step-by-step explanation:
Answer:
A. 54x + 16
Step-by-step explanation:
Substitute the variable and find the answer to the equation :))
Answer:
A) 96 ft
Step-by-step explanation:
Half the perimeter is the sum of the two marked lengths:
32 ft + 16 ft = 48 ft
The other half is the same length as this, so the total perimeter is ...
P = 2·48 ft = 96 ft
