What must occur after the concrete's final set in order to ensure the concrete gains all its designed strength? a. Curing
O b. Vibrating
OC. Nothing besides waiting 28 days
O d. Polishing

Salt corporation's contribution margin ratio is 78% and its fixed monthly expenses are $30,000. assume that the company's sales for may are expected to be $89,000. required: estimate the company's net operating income for may, assuming that the fixed monthly expenses do not change.

The green revolution is a scientific breakthrough that improved seeds for basic crops. how did the green revolution impact the supply of basic crops such as wheat and corn? the supply of wheat and corn increased. there was no impact on the supply of basic crops. the supply of basic crops did not change, but the quantity supplied of basic crops increased. the supply of wheat and corn decreased.

The research of robert siegler and eric jenkins on the development of the counting-on strategy is an example of design.