Beatrix ate 21 raisins. This represents 30% of the box of raisins. How many raisins were originally in the box?

Is 20/9 A) Q, R B) Z, Q, R C) W, Z, Q, R D) I, R (W) whole number (R) real number (Q) Rational number (N) natural number (Z) integer (I) irrational

Using the number 234.58937 what is the sum of the hundreds digit and the hundredths digit? A) 12 B) 11 C) 10 D) 9 E) 8

I don't know how to solve a+4.5=67.5

What is four ninths of forty five

A homogeneous linear system in 5 unknowns whose corresponding augmented matrix has a reduced row echelon form with 3 leading 1's will have free variables.

Add 12 cups of water to every 4 cups of concentrated cleaner. Which if the following proportions can be used to find W, the number of cups of water Danielle will add to 8 cups of concetrated cleaner

Find the greatest common factor of 8a 3 b 2 and 12ab 4. The greatest common factor of 8a^3b^2 and 12ab^4 is 4ab^2.

Charlotte spent 1/2 of the day shopping at the mall. She spent 1/4 of this time trying on jeans. What fraction of the days did Charlotte spend trying on jeans?

An equation that results in a true statement has infinitely many solutions. Does the equation below have infinitely many solutions? 3 (2+x) = 3x+6

The diameter of the circle Michael drew was 14.4 cm. What was the approximate circumference of the circle if you use 3.14 for?