Step-by-step explanation:

in 2nd exp. this is because by using the formula of a2-b2
im gonna say d not sure, 10% is 5 dollars off tho
Answer:
7+5x+9=−3x
7+5(-2)+9=−3(-2)
7+-10+9=6
-3+9=6
6=6
Step-by-step explanation:
7+5x+9=−3x
7+5(-2)+9=−3(-2)
7+-10+9=6
-3+9=6
6=6
Answer:
98 bracelets
Step-by-step explanation:
Dorinda makes 50 bracelets (5*8+10=50) and Evan makes 48 (6*8=48). 48+50=98
Answer:
It would be a 3943.002
Step-by-step explanation: