john has four more nickels than dimes in his pocket, for a total of $1.25. Which of the following equations could be used to determine the number of dimes, d, in his pocket?

What is the difference between the number of adult dogs at the park on monday and tuesday

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Using the given statements, state whether the conditional statement is true or false. p: 2 + 2 = 4 q: 7 + 1 = 7 is p q true or false?