Use algebra tiles to model the expression. Then, use the model to help you write an equivalent expression, and complete the statements. 3(x + 2) Model the expression as groups of x + 2. There are ___x tiles. There are ___+ 1 tiles. The equivalent expression is ___.

Which expression is the factored from of 2/3x + 4?asap

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air