Answer:
x=5
Step-by-step explanation:
9x^2 - 2x + 25 = 8x^2 + 8x
9x^2-8x^2-2x-8x+25=0
x^2-6x+25=0 factorize
(x-5)(x-5)=0
x-5=0 then x=5
Answer:
r <5
Step-by-step explanation:
r-4<1
Add 4 to each side
r-4+4<1+4
r <5
Answer:
42300000
Step-by-step explanation:
Use known fact

Consider 1 square kilometer:

So, to find the answer, you have to multiply given number of square kilometers by 1000000:

C. The temp at 10pm was 6°C. Over the next 3 hours, the temp dropped 2°C/hr.
6 -2(3) = 0