<span>4x + 8y =40
</span><span>4x + 8* 0.8 =40
</span><span>4x + 6.4 =40
</span>4x = 40 - 6.4
4x = 33.6
x = 33.6/4
x = 8.4
-8 and 1 are the numbers that multiply to get -8 and add to get -7
Answer:
628 is the surface area.
Step-by-step explanation:
Answer:
180000
Step-by-step explanation:
4.5 x 5 = 22.5
22.5 x 8000 = 180000