2a
No, because without an equality sign it can't be classed as an equation.
Without any equality sign and not knowing whether or not 2y is -/+ it can't be written out in slope intercept form.
To express 0.98 as a fraction of a dollar, we can write it as 98/100, since there are 100 cents in a dollar. To simplify this fraction, we can divide both the numerator and denominator by their greatest common factor, which is 2. This gives us 49/50 as the simplest form of 0.98 as a fraction of a dollar.
5*0.01
3n is the simplest, but you could also write it as 3*n or 3.n or 3xn. The problem with the last form is that it could represent the product of 3 and x and n.
48 in a square root sign
If they are old enough to write and understand what they are doing, they can sign their own return. If not, the parent should sign the parent's name and write underneath it "as parent of minor child."
30+8
First of all you need to know this! Okay, you write the proportion in 3 way ; in word form as 4 to 10 or fractional form as 4\10 or you write it with : that sign like 4:10 Its that simple
Yes, but they have to write their name in a certain form, and produce identification.
Without an equality sign it is not an equation
It is their method of communication. What is the importance of English to you? Sign language is the form of communication for the deaf. Without it, how would deaf people communicate? Some would say to write things out to one another. But, how would you teach someone to read and write as a form of communication when there is no way to communicate with them to do this?