Of the 4 people who have signed up for a genetics lecture, 2 have green eyes. Considering this data, how many of the next 10 people to sign up should you expect to be green-eyed?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

How many square inches are in 60 square feet?