Help please will mark brainliest

a) 1, -1, 4, 2, 0, 5, 3 [ in the box ]

b) 2/9

c) 3/9 = 1/3

Step-by-step explanation:

negative score = -1 and -3

score more than 3 = 4, 5 and 7

4+5x<50

Step-by-step explanation:

5n < 50 <--- subtracts 4 from both sides

n < 10 <--- divides both sides by 5

Check: testing n=0, we have 4 + 5(0) = 4 + 0 = 4 < 54, so yes it works

testing n=10, 4 + 5(10) = 4 + 50 = 54.

testing n=11, 4 + 5(11) = 4 + 55 = 59 <--- fails as expected.

X < 10, proven, verified, correct