Answer:
The "de" part means oppsite to whats behind it I think
Step-by-step explanation:
Answer: y= -2/9
Explanation:
21(2-y)+12y=44
42-21y+12y=44
42-9y=44
-9y=2
y=-2/9
Answer:
its is C because the other ones are obvious wrong. So it has to be C plus i did this test.
Step-by-step explanation:
Answer:
Step-by-step explanation:
If the smallest number is 'x', then the other number = x +1
x*(x+1)= 420
Use distributive property
x*x + x*1 = 420
x² + x - 420 =0 ------> this is the required quadratic equation.
Answer:
20
Step-by-step explanation:
count the sides of the boxes for each side of the shape
