Answer:
The numbers which fit group A are all integers that are both positive and odd. By this it's easy to see that the numbers 1, 3, and 5 are in set A, while -1, 0, and 2 are not
Answer:
136 sq units
Step-by-step explanation:
area = length * width
a = 17 * 8
a = 136 sq units
Answer:
$2.25 per ft² (I think)
Step-by-step explanation:
Subtract 4.9 from 6.4 to get 1.5
Multiply 6.4 by 1.5 and multiply 4.9 by 1.5
Then you get 9.6 and 7.35
Subtract 7.35 from 9.6 and get 2.25
I got 64 square feet.
My work is shown in the image.
For possible questions:
1: you can find x+7 and x-2 because the sides of the square can be measured as x, and x+7 means 7 more than the original; x-2 means 2 less than the original.
2: solved via factoring. Not sure if you've learned it or not.
3: reject the negative numbers because you can't have negative sides in a square.