To the nearest tenth of a centimeter, what is the circumference of a circle with a radius of 2.5 cm? (use 3.14 for π.)

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.