Answer:
-9
Step-by-step explanation:
You take them both and multiply then divide then subtract
Answer:
11
Step-by-step explanation:
5plus 2x when x is something 2x is equaling to 6 where as the value of x would be 3...
2х3+10х+2у2-х-у=2х3+9х+2у2-у=2*3in3+9*3+2*5in2-5=2*27+27+2*25-5=54+27+50-5=126
Answer:
-2
Step-by-step explanation:
The average rate of change is the slope using the points (0, 10) and (3, 4). The slope is found using the formula 

Answer:
True
Step-by-step explanation:
3:7 is girls to boys, and to find the total, do 7+3. After that, you'd get 10, and the ratio would be 3:10, so TRUE