Elementary Algebra

Hi, I am sending my 4th grade son to sylvan tutoring classes as he needs some help with language arts, when I enrolled him they said I can claim this in taxes and gave their tax id too, ( I didn't request). But when I was filing my taxes online - I see the options only for college going kids. Can...

I have many problems.First I have to solve an equation algebraically using a number line.I know how to do it but one problem is tricky. 0 is less than or equal to -x squared -3x-70 how can I answer this?

If the length of a rectangle is doubled does the area double? Why?

I need to know how to set this problem up: The foundation of a house is 13m by 7m. If the builder increases each dimensions by the same amount, the area will increase to 135sq m. Find the new dimension.

Ok, So my elementary school sweetheart pops back into my life about every 5 years. When we were kids we had a crush on each other but we did the usual kid things, he picked on me and I was mean in return. Both of our mothers are close friends so over the years of us not seeing each other and dating...