Jenny has a stack of nickels and a stack of dimes. there are the same number of coins in each stack.

which expression represents the amount of money jenny has, where n is the number of coins in each stack? choose the two correct answers.

a
(5⋅10)n

b
15n

c
15n2

d
5n+10n

e
50n

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.