Mary and nancy roasted coffee beans. mary roasted one fourth of the beans and nancy roasted one eighth of them. if together they roasted 3 kg of the beans, find the total weight of the beans.

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Asphere has a diameter of 10 in. what is the volume of the sphere?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?