If 8x + 8y = 4 and 4x + 2y = 12, what is the value of x?
a) -5
b) -
11
2
c) 5
d)
11
2

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?