Add: (-6+3x^9y-4xy) + (-8x^9y+7xy+4).

The Davidson family wants to expand its regular patio which currently measures 15 ft by 12 ft they want to expand the length and width the same amount o increase the total area of the patio by 160 ft^2

4. Being healthy eaters, partridges know that pears contain 30% more potassium than apples. If an apple offers 160 mg. of potassium, and Pete eats 6 pears, how many milligrams of potassium will he consume?

Sue's Sushi placed two orders with its fish supplier. One order was for 11 pounds of salmon and 6 pounds of tuna; the order totaled $197. The other order was for 8 pounds of salmon and 4 pounds of tuna; this order totaled $140.

What is involved in writing a proof

Amel green is employed at market systems inc. She has family medical coverage through the group medical plan that market systems provides for its employees. The annual cost of Greens family membership is $5,200.

Describe two real life situations that uses parallel lines?

At many golf clubs, a teaching professional provides a free 10-minute lesson to new customers. A golf magazine reports that golf facilities that provide these free lessons gain, on average, $1 comma 700 in green fees, lessons, or equipment

Multiply 8 by the sum of 4 and 2

Which two numbers add up to - 11 that multiply to - 432?

Ou are having a family-barbeque. In attendance are a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law and one