Answer:
144
Step-by-step explanation:
Thats easy for example the first question 3.2*2.8*6.1=?
first multiply 3.2*2.8 which equals 8.96 then multiply that number times 6.1 so like this-> 8.96*6.1 which your answer is 54.656.
So answers for numbers 1-3 are
1) 54.656
2) 90
3) 15.603
enjoy!
We need to factor by grouping. Group xy with -4x and 2y with -8 and factor each group.
(xy-4x)+(2y-8)
x(y-4)+2(y-4)
b. (x+2)(y-4)
Hope that helps.
Answer:
Step-by-step explanation:
(x-1)²+(y+1)²=41
