Simplify
2x + 7y + 3x - 4y
a. 5x + 11y
b. 5x + 3y
c. 8xy
d. 5x - 11y
i did the question i'm so sorry : '(

What are correct trigonometric ratios that could be used to determine the length of ln

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?