Answer:
12 °C
Step-by-step explanation:
12 °C is 24°C warmer than -12°C
Find what 2 numbers add to -7 and multiply to -8
+1 and -8
(w+1)(w-8)
Answer:
Step-by-step explanation:

Answer:
x=1
You solve for x by cross multyplying
X = 7
y = 10
x + y = 700
7x + 10y = 6400
10x + 10y = 7000
(-) 7x + 10y = 6400
______________
3x = 600
x = 200
200 + y = 700
y = 500