Create an expression that is equivalent to 9(3x/5+x) without using parentheses

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Which of the following expressions is equal to 2x^2+8

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the