Plz halp first correct answergets brainliest
find the height of a right square pyramid that has a rectangular base area of 70 square units and a volume of 140 cubic units.

a. 2 units
b. 6 units
c. 1 units
d. 18 units

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?