Four students attempted to solve 956 +287. Which student's work shows the correct sum?
1956 956 956 95 6
+ 2 8 7 + 2 8 7 + 2 8 7 + 2 8 7
1 1 3 3 11 13 13 1 1 3 3 1 2 4 3
1) Intro
Done

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?