PLEASE HELP - Basketballs used in NBA games all have a diameter of approximately 912 in. inches. About how many cubic inches of air is contained in the spherical ball?

If the measure of xyz is 81 what is the measure of yz

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels