2. From a group of 7 Livestock Farmers and 6 Crop Farmers, five persons are to be selected to form a
committee so that at least 3 Livestock Farmers and 1 Crop Farmer must be in the committee. In how
many ways can it be done?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

Ineed to find the answer to number 2