Which of the following gives the number of petals of the rose curve r=6cos 20 ? (A) 1 (B)2 (C) 4 (D) 6
(E) 12

please include work

"how does lena finally defeat the robots? ” this question will best be used to describe the story’s exposition. rising action. climax. falling action.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Solutions for 2x+7 less than or equal to 3x-5