(7b-9)(7b+9)
explanation:
I learned in math last year
Answer:
-5x-10 is the expression. the missing values would be 2 and -x i believe
The volume of the triangular prism is 420
Answer:
The metal worker should use 10 kgs of 25% copper alloy and 40kgs of 70% copper alloy to make it
Step-by-step explanation:
Answer:
chicken concrete
Step-by-step explanation: