What is the value of the expression? -9/16 + 9/8

The expression isn’t really my problem, it’s more as the graph thing shown in the picture. I have to like do something with it in which I have no clue what to do. Please help! Anyone with correct way to help me will get brainliest and a lot of points, if you aren’t sure please don’t ask, it only let’s me check it once.

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

Multiplying fractions by whole number 5 x 1/3=?

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense