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1. Evaluate the polynomial...

1. Evaluate the polynomial for x=5

5x^2-2x+7

2. jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 7 hours. How much time would it take for them to mow the lawn together? Simplify, type integer, proper fraction, or mixed number.

3. if the sides of a square are lengthened by 6cm, the area becomes 169^2. Find the length of a side of the original square.

4. Rationalize the denominator. Assume that all expressions under radicals represent positive numbers.

The square root of x minus the square root of y/the square root of x+the square root of y

Simplify, type exact answer using radicals as needed.

5. Solve

(x+17)(x-16)(x+10)>0

The solution set is.. {x.........} (use at least one inequality or compound inequality to express answer. For answers with more than one inequality, seperate the inequalities by a comma or the word or. Type r if answer is all real numbers. Type n is no solution.

6. Use FOIL method to find product

(6x^7-3)(x^8-7)

5x^2-2x+7

2. jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 7 hours. How much time would it take for them to mow the lawn together? Simplify, type integer, proper fraction, or mixed number.

3. if the sides of a square are lengthened by 6cm, the area becomes 169^2. Find the length of a side of the original square.

4. Rationalize the denominator. Assume that all expressions under radicals represent positive numbers.

The square root of x minus the square root of y/the square root of x+the square root of y

Simplify, type exact answer using radicals as needed.

5. Solve

(x+17)(x-16)(x+10)>0

The solution set is.. {x.........} (use at least one inequality or compound inequality to express answer. For answers with more than one inequality, seperate the inequalities by a comma or the word or. Type r if answer is all real numbers. Type n is no solution.

6. Use FOIL method to find product

(6x^7-3)(x^8-7)

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