Find the solution to the following system using substitution or elimination:​

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

According to the data set, where should the upper quartile line of the box plot be placed?

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?