Every 3 months the arena's musical equipment needs safety checking. look at a comparison of the last 4 years' service costs. mean range year 1 ? 630 ? 300 year 2 ? 672.50 ? 80 year 3 ? 751.25 ? 67 year 4 ? 597.50 ? 350 each year the service was carried out by a different company. in which year was the service costs the cheapest? which year's prices were the most consistent?

image result for what is another name for consecutive interior angles? ​

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

step-by-step explanation:

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im not sure

given hc ∥ gd.¯¯¯¯¯¯which statement is true

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles

the one below it is a function