Answer:
418
Step-by-step explanation: 457-17-13-9=418
To double check: 418 + 17 + 13 + 9 = 457
Answer:
2 tablespoons
Step-by-step explanation: he divided the 6 by two to get three so I divided the 4 by two to get 2
subsitute x = 6 into the lengths
3(6) -7
18 - 7
11cm
(6) + 5
11cm
therefore it is a square when x = 6 because the sides are all equal
Answer:
x = - 8
3x - 2y = 18 is the same as 3x - (2x - 13 times 2) = 18
Then I used an algebra site for the rest.
It should be x = - 8
4(c-d) is the answer bc the difference of (c-d) is done first, then multiplied by 4