Johnny saves all his nickels and dimes in a jar. one day he counted them and found there were 81 coins worth 5.55. how many nickels and how many dimes were in the jar

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume

Three consecutive integers have a sum of 234. what are the three integers