Y=6x^2 -5x+6 ( the first option )
Answer:
The best estimate for 43x78 is 40x80
Step-by-step explanation:
43 rounded to the nearest ten is 40.
78 rounded to the nearest ten is 80.
The answer to 40x80 is 3200
Answer:
10
Step-by-step explanation:
Here we go!
Slope Formula:

What we know: (-4, -52) and (-1, -22)
Plug in the numbers!

Fix it!

Add

Divide
(negative divided by a negative is a positive!!)
Slope is 10
Hope this helps!
Sa= bw+hw+lw+

(2)
SA=(12*4)+(16*4)+(20*4)+(

)
SA= 28+64+80+(6*16*2)
SA=28+64+80+(96*2)
SA=28+64+80+192
SA=364
6x+5x-4=2x-8~~~First we simplify(add 6x and 5x)
11x-4=2x-8~~~Now add 4 to both sides
+4 +4
11x=2x-4~~~~Remove 2x from both sides now.
-2x -2x
9x=-4~~~~Now divide by 9x
÷9x ÷9x
x= -4/9