Aflorist has an order to make flower bouquets. the order calls for the use of 45 roses and 63 carnations. each bouquet made will need to be the same.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)