Answer:
The first is equation the second is expression the third is expression and the fourth is equation
Step-by-step explanation:
equations have equal signs and expressions dont
Answer:
The answer is 6x−10.8 simplified
Step-by-step explanation:
Answer:
28
Step-by-step explanation:
4x + 9x + 8x = 147
21x = 147
x = 147/21
x = 7
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The shortest side will be 4x
4*7 = 28
Answer:
bet but need barinlyist
Step-by-step explanation:
Concurrent validity is a type of evidence that can be gathered to defend the use of a test for predicting other outcomes. It is a parameter used in sociology, psychology, and other psychometric or behavioral sciences. Concurrent validity is demonstrated when a test correlates well with a measure that has previously been validated. The two measures may be for the same construct, but more often used for different, but presumably related, constructs.
