What is the volume of a hemisphere with a radius of 9.8 in, rounded to the nearest tenth of a cubic inch?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Find the measure of angle y. a. 115° b. 65° c. 43° d. 22°