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Having said that, the equation in the question cannot represent a solid since it has only two variables: a solid needs three.
400 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and a 428 400 and 428
428 is equal to 428. No other number is equal to 428.
y=24
6% of 428= 6% * 428= 0.06 * 428= 25.68
y = -5x2 - x + 9
The factors of 428 are 1, 2, 4, 107, 214, and 428.
The positive integer factors of 428 are: 1, 2, 4, 107, 214, 428
428+94 = 522
428 as a percentage would be 42800%.
428 is an even number.
428 + 217 = 645
856 ÷ 2 = 428