At Ashland Middle School, 70% of sixth graders wore athletic shoes to school on the first day of school. The number of sixth graders wearing athletic shoes that day was 35. Shade the grid to show the percent of sixth graders who wore athletic shoes.

Need solving this second acceleration problem.

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.