(a + 2b + 3c) − (4a + 6b − 5c) is equivalent to?
can you explain with some details?

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1