A. x = -6, x = -1.9, x = 1.9, and x = 7 x = -6, x = -1.9, x = 1.9, and x = 7 x = -6, x = -1.9, x = 1.9, and x = 7 a valley between the hills x = -6, x = -1.9, x = 1.9, and x = 7 the top of two hills b. x = 0 x = -3.7 and x = 4.5 x = 0 the top of two hills x = -3.7 and x = 4.5 a valley between the hills

c. x = -3.7 and x = 4.5 x = 0 x = -3.7 and x = 4.5 the top of two hills x = 0 a valley between the hills

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.