There are 90 students in Grade 5, and 10% of them were absent today. In Grade 6, 15% of the 80 students were absent today. What was the total number of students in the two grades who were present today?

Find the area of a circle with radius 8.5m to the nearest square unit

What is the mean of the set of numbers {-11,22,-2,-3}

In which number does one digit 6 have the value of 1/100 of the other digit 6? The answers given are 66.04,56.60,46.06, and 40.66, which is the correct answer?

Carolina has a piece of fabric that is 1/8 yards in length. Robin has a piece of fabric that is 3/4 yards in length. How many times longer is Robin's piece of fabric than Carolina's piece of fabric?

What is equivlent to (a1/2 * b1/3) to the 1/2 power?

What is 2 16/99 as a decimal

A blimp travels 765 feet in 1/4 minute, 1,530 feet in 1/2, and 3,060 feet in 1 minute. Is there a proportional relationship between the distance the blimp travels and the time it travels? justify your answer.

Find an equivalent ratio for the ratio 4 : 5. 400/500 10 : 12 48 to 60 20/30

How to solve - 24-1/8p=3/8p?

Find the eccentricity of 4 / (-2 - 6sin (theta)) a) 2 b) - 2 c) 3 d) - 3