Jen has read ⁴/5 of a book. the next day she read ⅔ of what she had left . what fraction of the book is left to read?

Write a corresponding real world problem to represent 2x - 125=400

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

If the value of cos330°is√3/2 then find cos 165°.