The temperature of the middle of the cake after it has been baking for 20 minutes, given by x, is related to the temperature of the oven, y, by the following equation:
y = -25 +2.3x
Estimate the temperature of the middle of the cake if the temperature of the oven is 400
degrees. Answer choices are rounded to the nearest whole number.

Can someone me do math because i am having a breakdown rn because i don’t get it

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?

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width