There are 54 people playing tennis at the regional event at the same time. some are playing doubles, and some are playing singles. there are 18 matches in progress. a singles match requires 2 players, and a doubles match requires 4 players. this can be modeled with this system of equations. 2s + 4d = 54 s + d = 18 which ordered pair is the most reasonable solution to this system of equations?

(9, -9)

(-9, -9)

(-9, 9)

(9, 9)

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x