One of the most abundant elements in the ocean is A. potassium (K) B. Calcium (Ca) C. Chlorine (Cl) D. Magnesium (Mg)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project