In your class, you have scores of 66, 74, 71, and 81 on the first four of five tests. to get a grade of upper c, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a. solve an inequality to find the least score you can get on the last test and still earn a upper c. b. what score do you need if the fifth test counts as two tests?

A score of greater than equal to 128 and less than 188 will get a grade of Upper C

Step-by-step explanation:

We are given the following in the question:

Scores:

66, 74, 71, 81

Let x be the score on fifth test.

To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80.

The fifth test counts as two tests.

Putting the values we get:

Thus, a score of greater than equal to 128 and less than 188 will get a grade of Upper C

darn right!

step-by-step explanation:

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g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)