Using numbers and operations to write each phrase as an expression the difference between 58 and 47

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49

What is the location of maximum over the interval [-3,1.5] for the graphed function?