if a atom has 12 positively charged protons and 12 negatively charged electrons when is its total charge ?

Write 17/20 as a decimal and as a percent.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.