At a certain point in time, each dimension of a cube of ice is 30 cm and is decreasing at the rate of 2cm/hr. how fast is the ice melting

Find the value of the cosine for angle a

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .