What is $2.49 to $1.99 in increase

Let r = 3. what is the value of r + 58?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)