in this line of circles, the ratio of the red circles to blue circles is 1:3. how many more red circles would need to be added to make the ratio of red to blue 3:1

The tail of the spider monkey is 64% of the length shown. what is the length of its tail

The rest of the students in the play are from Mr. Logan's class and Ms. Gardner's class. Mr. Logan has 23 students in his class, and 7 of them are in the play. There are 4 more students from Ms. Gardner's class than from Mrs. Cho's class in the play.

The ___ is always located across from the right angle.

Martha rolls a number cube with sides 1, 2, 3, 4, 5, and 6. What is the probability of NOT rolling a 3?

What part of 21 is 7

A classic counting problem is to determine the number of different ways that the letters of "personnel""personnel" can be arranged. find that number.

A triangle has an area of 56 square units it's height is 14 units

How many 10 go into 800?

You have $10,000 to invest and want to keep your money invested for 10 years.

Six hundred twenty six, which is another way to write this number