A polygon has 20 sides how many diagonals does it have

Solve for the missing part of the proportion. 13/27 = ?/324

An electronics store reduced the price of a TV from $1000 to $880. What was the percent of decrease?

The acute angles of a right triangle are congruent. What are the three angle measures of the triangle?

Which equation represents the total interest, T, earned when the principal amount is $100, the annual simple interest rate is 1%, and the number of years is 10?

What is the value of y in the following system y = 3x-5 6x+3y=15

What is the length of the side opposite angle B? 3 units 4 units 5 units 6 units

Choose all of the equations that are equivalent to 8k = 20. A. 8k - 4 = 20 + 4 B. 8k : 4 = 20 : 4 C. 8k * 3 = 20 * 3 D. 8k + 10 = 20 + 10 E. 8k * 5 = 20 : 5

If inflation is 4.44% per year and a car costs $32,600 what would have it been 2 years ago?

Which number can be removed from the following list of data so that the median will remain the same? 80, 32, 55, 50, 46, 71, 60 A. 32 B. 55 C. 60 D. 80

Historically, the percentage of US residents who support stricter gun control laws has been 52%. A recent Gallup Poll of 1011 people showed 495 in favor of stricter gun control laws. Assume the poll was given to a random sample of people.