The ph scale measures how acidic or basic a substance is. bleach is said to have a ph of less than 14 and greater than 11. model the normal range of ph values of bleach, using a compound inequality

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10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?