The sum of the angle measures of a polygon with n sides is 540. Find n.

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Approximate √29 as a decimal to the tenths place.

During WW2, mortars were fired from trenches dug 4 feet in the ground. The mortars had an average velocity of 150 ft/s. What is the highest altitude the mortar can reach, and how long would it take to strike its target?

Find the value of x when 2 (x - 3) + 1 = 3x + 4

How can you use a model to write a percent as a fraction with a percent as fraction with a denominator of 100

Find the common difference, d, in the following arithmetic sequence. 0, - 6, - 12, - 18, ... -6 6 -2 2

What is the solution to the equation - 3 (ht5) + 2 = 4 (h+6) - 9 h=-4 h=-2 h=2 h=4

Deanna ran a total of 9 3/4 miles over 3 days. She ran the same distance each day. How many miles did Deanna run each day?

Identify the variable expression that is not a polynomial:. a: x+12. b: 33. c: x^9+y^3. d: y^9+27

1/3+2/3+1/3 = how do I solve this problem

A quick-loan company charges an 18% fee on any loan that is paid up to one week late. A woman borrowed $400 and paid the loan back 3 days late. What is the total she has to pay, including any fee?