What is the value of x in the proportion below? 180kilomieters. 540kilometers
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3hours. X

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Plzzz answer both questions and i will give you 100 points

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.