Thu gọn rồi tính : c = x ( x^2 +6x) +4 ( 3x+2) với x=-11 e = ( y^3 +x^2 y ) (x^2 +y^2) - y (x^4+y^4 ) với x = 1,5 ; y= -2
f = 6xy( xy- y^2) -- 8x ( x-y^2 ) + 5y^2 ( x^2 - xy ) với x= 1/2 , y = 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

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.