# Liamz

Newest questions and responses by Liamz
1. ## math

One of the tallest living men has a height of 263 cm. One of the tallest living women is 245 cm tall. Heights of men have a mean of 177 cm and a standard deviation of 8 cm. Heights of women have a mean of 163 cm and a standard deviation of 4 cm. Relative

2. ## algebra

Add (5x^2-7x + 23) + (2x^2 + 9x - 72) =

3. ## algebra

Identify the degree of each term of each polynomial. Then find the degree of the polynomial. xy^3 + 7x^3y^2 - 6xy^4 + 2 I am really having trouble with how this process works. I know the degree of the polynomial is 5 but I don't know how to identify the

4. ## Algebra

Identify the degree of each term of each polynomial. Then find the degree of the polynomial. xy^3 + 7x^3y^2 - 6xy^4 + 2 I know the degree of the first term is xy^3 is 4. I cant seem to find the second term

5. ## algebra

Like Terms and Degree Identify the degree of each term of each polynomial. Then find the degree of the polynomial xy^3 + 7x^3y^2 - 6xy^4 + 2

6. ## algebra

Simplify. Do not use negative exponents in the answer. -25a^-2/10b^-4 HAVING A HARD TIME WITH THIS ONE!! i KNOW YOU REVERSE THE LETTERS AND THE NEGATIVE POWERS ARE TURNED INTO POSITIVE AND RECIPROCATED BUT THE -24/10 I CANT FIGURE OUT FROM THE EXAMPLE I

7. ## algebra

Express using positive exponents and, if possible, simplify. z^-4/6x^2 =

8. ## algebra

In 2009, a diabetic express company charged \$38.85 for a vial of type A insulin and \$30.49 for a vial of type B insulin. If a total of \$2004.96 was collected for 60 vials of insulin, how many vials of each type were sold?

9. ## algebra

In a cetain year, solar and wind energy generation totaled 1034 trillion Btu's. Wind generated 53 trillion Btu's more than eight times that generated by solar energy. How much was generated by each source?