What is the area of triangle ABC?
2,5 square units
3 square units
3.5 square units
4 square units

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”?

Which graph represents the given linear function 4x+2y=3

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.