3 How does the number of reading sessions longer than 1 hour
compare to the number of sessions
that are 1 hour or less?

What is the square root of 45? (step by step working plz)

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.