Naledi climbed up a mountain. her initial altitude was 40 meters above sea level, and it increased by 10 meters each hour. let )g(n)be naledi's altitude at the beginning of the nth hour of her climb. g is a sequence. what kind of sequence is it? answer

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

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”?

Let y = and z = . translate "z less than y" into an algebraic expression, and solve it.