The school is having a bake sale and the pep squad is selling cookies. On one ticket they sold four chocolate chip cookies and five oatmeal cookies for $26. On another ticket they sold four chocolate chip cookies and two oatmeal cookies for $20. Which system of equations below can be used to determine the price of a chocolate chip cookie and the price of an oatmeal cookie? Let x represent the cost of a chocolate chip cookie, and let y represent the cost of an oatmeal cookie. OA. 4x + 4y = 26 5x + 2y = 20 OB. 8x + 7y = 46 8x - 7y = 46 OC. 4x + 5y = 26 4x + 2y = 20 OD 4x + 4x = 32 5y + 2y = 14​

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?