What is the value of b in the equation b + 8 = 13?

a.) 5
b.) 8
c.) 13
d.) 21

it would be 5 easily

Step-by-step explanation:

you take away 8 from 8 and 13 and b is alone so b=5

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation: