Find the circumference of the circle. Use 3.14 for 7. Round to the hundredths place, if necessary. ​

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers