X=2 Y=-1 plug them into the equation
-3(2)^2 + 2(-1)^2 + 5(2)(-1) -2(-1) + 5(2)^2 -3(-1)^2
36+4-10+2+100+9
40-10+2+100+9
30+2+100+9
132+9
141
Answer:
correct
Step-by-step explanation:
i think correct,but maybe i am wrong
I believe it is 8,000 grams :).
Answer:
7 miles
Step-by-step explanation:
45 - 17 = 28 miles
28 : 4 = 7 miles
14 hours
672 miles / 48 mph = 14 hours total