Find the HCF for

15 and 20

42 and 60

27 and 63

Is 4.16 less than or greater than 4.32

The mean of a, b, c, and d is 9 and the mean of a, b, c, d, e and f is 12. Find the mean of e and f. With Step by step explanation

What is the Environmental Protection Agency's purpose for using risk assessment?

Pick the multiplication expression that does not belong bases on scaling. Explain. 6 of 2 and 1/2. 6 of 1 and 3/5. 1/2 of 6. 2 and 2/5 of 6

Which of these numbers are square numbers? 25 36 48 why?

The combined area of a square and a rectangle is 249 square centimeters. the width of the rectangle is 3 centimeters more than the length of a side of the square, and the length of the rectangle is 2 centimeters more than its width.

George said that 6*10 (to the 3 power) is 180. Do you agree or disagree? If you disagree, explain the mistake that he made and find the correct answer.

Suma a patru numere este 600. Primul numar este cu 12 mai mare decat al doilea si cu 12 mai mic decat al treilea. Stiind ca al patrulea reprezinta un sfert din suma primelor trei numere, afla cele patru numere

What are three ratios equvilent to 8:20

Multiple binomials by polynomials problem (2+3w) (w^2+6w+9)