Thể tích của khối cầu có bán kính 3a bằng

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.

The curved part of the figure is the semicircle what is the best approximation for the area of this figure