Acompany makes boxes of cereal. a box usually contains 450 grams of cereal. here are two options for a special offer. option a 20% more cereal option b usual amount of cereal 15% off the price.
which option is best for the customer

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

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?