Which regular polygon, when rotated 180 degrees about its center, may not be carried onto itself?

Quadrilateral

Pentagon

Hexagon

Decagon

A safe contains120 coins, the value of which is $10. If the coins consist of nickels and dimes, how many of each kind are in it

Lauren invested $340 in an account paying an interest rate of 5.8% compounded monthly. Assuming no deposits or withdrawals are made, how much money, to the nearest cent, would be in the account after 13 years?

Simplify 2x 2 - y for x = 3 and y = - 2.

A rectangle with an area of 5/8 ft² is dilated by a factor of 8. What is the area of the dilated rectangle? Enter your answer in the box. Do not leave your answer as a fraction.

What is the difference of - 2.2 and 0.44?

a car has 15 gallons of gas in its tank the car travels 35 miles per gallon of gas how much gas does the car used to go 100 miles

Identify all factors of the expression 4x^2+17x-15 a. 2 b. 3 c. x - 5 d. x + 5 e. 4x - 3 f. 4x + 3

Factor out the common terms 6m - 21p

local bank employs 36 individuals of which 15 are smokers. What is the ratio, in simplest form, of the non-smokers to the total number of employees at the local bank?

Peter buys a small wind turbine for use on his farm. It generates 13,000 kWh of electricity in the first year. He uses 7,570 kWh of electricity and sells the remaining kWh to his energy suppliers. He receives £412.68 for the electricity he sells.