The volume of a cone-shaped dessert is 10 CUBIC CENTIMETRES. The RADIUS of the Cone is 2 CM.

Find the height of the CONE, to the NEAREST TENTH.
ANSWERS
1. 0.4 CM
2. 1.4 CM
3. 2.4 CM
4. 4.4 CM

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Need on this geometry question. explain how you did it.

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?