Find the value of x in the isosceles triangle shown below. A. x = 4
B. x = 12
C. x = √640
D. x = 8

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?

In a class of 77, there are 44 students who play soccer. if the teacher chooses 33 students, what is the probability that none of the three of them play soccer?