What is 256/6561 as a power

Find the greatest common factor of 27 and 45

Multiply the sum of 150 and 140 by 8.

Not all telephone polls carried out to estimate voter or consumer preferences make calls to cell phones. One reason is that in the USA, automated calls ("robocalls") to cell phones are not permitted and interviews conducted by humans are more costly.

Expand. If necessary, combine like terms. (x+3) (x - 3) = ?

X2-14x+53=9 in completing the square

Suppose a city has 810 high-rise buildings, and 29 of these buildings have rooftop gardens. Find the percentage of high-rise buildings with rooftop gardens in this city. Round your answer to the nearest tenth of a percent.

What is 100 + 101 + 102 equal to?

Order the equations from least to greatest based on the number of solutions to each equation. - 4^ x - 1 = 3^ (-x) - 2 - 3 x + 6 = 2^ x + 1 3^ x - 3 = 2 x - 2

A scale on a blue print drawing of a house shows that 6 centimeter = 3 meter What number of centimeters on the blue print represents an actual distance of 27 meters?

Reduce - 8 + b2 by 5 + b2