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19.Subtract: 8sqrt50-8sqrt2 20.If...

19.Subtract: 8sqrt50-8sqrt2

20.If the sides of a square are lengthened by 6cm, the area becomes 121cm^2. Find the length of a side of the original square. The length of a side of the original square is ? in cm

21.Multiply and simplify by factoring: 3rd power sqrt y^4 * 3rd power sqrt16y^5

22.Solve: r^2+3r-40=0 r=?

23.Factor: 12-7a+a^2=

24.Simplify by removing factors of 1: m^2-25/(m+5)^2

25.(6x^3 -2)(x^7-2) FOIL

26.Divide and simplify: u^6/u^11

27.Evaluate the polynomial for x=4 2x^2-5x+4=

28.Simplify by removing factors of 1 8n^2+8n/24n^2+64n

29.Find the GCF for -42a^4,7a^5

30.For a right triangle find the length of the side not given: b=2 c=sqrt29 a=?

31.Jack mows his lawn in 5 hours. Lucy can mow the same yard in 4 hours. How much time would it take for them to mow the lawn together?

32.Rationalize the denominator: sqrt C – sqrt D/ sqrt C + sqrt D

33.Convert to decimal notion: 8.52 * 10^7

34.Solve: s^2-5s-36=0 s=?

35.Factor completely: 49c^2-121

36.Factor:w^2+14w+49

20.If the sides of a square are lengthened by 6cm, the area becomes 121cm^2. Find the length of a side of the original square. The length of a side of the original square is ? in cm

21.Multiply and simplify by factoring: 3rd power sqrt y^4 * 3rd power sqrt16y^5

22.Solve: r^2+3r-40=0 r=?

23.Factor: 12-7a+a^2=

24.Simplify by removing factors of 1: m^2-25/(m+5)^2

25.(6x^3 -2)(x^7-2) FOIL

26.Divide and simplify: u^6/u^11

27.Evaluate the polynomial for x=4 2x^2-5x+4=

28.Simplify by removing factors of 1 8n^2+8n/24n^2+64n

29.Find the GCF for -42a^4,7a^5

30.For a right triangle find the length of the side not given: b=2 c=sqrt29 a=?

31.Jack mows his lawn in 5 hours. Lucy can mow the same yard in 4 hours. How much time would it take for them to mow the lawn together?

32.Rationalize the denominator: sqrt C – sqrt D/ sqrt C + sqrt D

33.Convert to decimal notion: 8.52 * 10^7

34.Solve: s^2-5s-36=0 s=?

35.Factor completely: 49c^2-121

36.Factor:w^2+14w+49

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