An envelope from the post office is 3 inches wide with a total area of 30 square inches. what is the height of the envelope

A student worked on the problem 35.8 x 9.3. The student's answer was 3,329.4. Use estimation to check whether this answer is reasonable.

X^2 - 11x = 0 solve equation by factoring is there a solution or not?

Determine which binomial is not a factor of 4x^4 - 21x^3 - 46x^2 + 219x + 180 a. x+4 b. 4x+3 c. x-5 d. x+3

49 is 35% of what number? Use percent equation

Tess deposited $500 in an account that earns 6% annual simple interest. She leaves the money in the account for 4 years. What will be the balance If Tess makes no withdrawals or deposits to the account?

Round 7.92 + 5.37 to estimate

You travel for 450 miles and it takes you 7 hours. What is the average rate?

What is a real world problem for 2 (n+20) = 110

How would you solve 7x-1/2 (8x+2) = 6

A train ride cost $5.30 fore each person how much would the t win cost if there was 4 people