PLEASE ANSWER FAST No links... What is the surface area of the following solid figure? 90 in. 2 510 in. 2 480 in. 2 570 in. 2

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

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”?