Estimate 18.22 + 8.531 by first rounding each number to the nearest tenth

The circumference of a circle is 5 pi cm. what is the area of the circle?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

If there are 3.281 feet in 1 meter, how many inches are in one centimeter