1.

or if you mean (3x^3+5x^2+3x-7)+(8x-6x^2+6):

2.

Answer:
-5/7
Step-by-step explanation:
Look at the graph. As we move from left to right from (-3, 2) to (4, -3), x increases by 7 and y decreases by 5. Thus, the slope is
m = rise/run = -5/7.
Answer: 29 weeks
Step-by-step explanation:
From the question, we are informed that Caroline bakes cookies in batches of 24 and that she bakes 3 batches of cookies per week. The amount of cookies baked per week will then be:
= 24 × 3
= 72 cookies
The number of weeks that would take her to bake 2,088 cookies will be:
= 2088 / 72
= 29 weeks
2100 - 0700 = 1400
In Beijing, it is 14 hour later than in Washington DC.
2100 + 1400 =
Split 1400 into 300 + 1100
2100 + 300 = 2400 = midnight of the next day.
2400 = 0 (midnight)
0 + 1100 = 1100
Answer: 1100 hours Sunday in Beijing
Answer: Walking speed is about 5 kph, so it should take about 6 minutes to walk 500 meters.
Step-by-step explanation: