Jose solved the following problem His answer is incorrect. Explain in words where he made his mistake and what he should have done. 2\frac{1}{2}\div1\frac{4}{5}=2 1 2 ÷ 1 4 5 =

\frac{5}{2}\div\frac{9}{5}=5 2 ÷ 9 5 =

\frac{5}{2}\times\frac{9}{5}=\frac{ 45}{10}=4\frac{1}{2}5 2 × 9 5 = 45 10 = 4 1 2

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

What is always true about a positive integer raised to a negative odd power?

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.