Me , ill give brainliest to you each year, the department of water works measures the chloride concentration level in the water. the first year, they found the chloride concentration changed by −1 3/5 mg/l . it is estimated that the chloride concentration will change −2 1/15 mg/l the next year. what is the total change that will likely occur in 2 years? enter your answer as a simplified mixed number in the box.

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?