Will mark brainiest: What is the area of a circle with a radius of 7 cm? (Use 3.14 for Pi and round to the nearest tenth.)
38.5 centimeters squared
44.0 centimeters squared
150.0 centimeters squared
153.9 centimeters squared

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.