On a map, there are 3 centimeters between two cities. the actual distance between the cities is 45 kilometers. what was the scale used for the map? 1 cm = 15 km 1 cm = 135 km 1 cm = 10 km 15 cm = 1 km

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.