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1) In the triangle ABC, AB?6cm, and BC?9cm

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1) In the triangle ABC, AB?6cm, and BC?9cm. Given that the area of the triangle is 18cm2, find the possible values of angle B.

2.    Find the exact value of tan30 (6sin135 ? 4cos210 ) , giving your answer in the form a?b 6.

3   Simplify (36 + 4 . 27 ÷ 4 – 18) ÷ 5.

4.      Proper aerobic exercise involves exercising at a person’s correct training heart rate. To find the correct training heart rate the following formulas are used.

a.      Training heart rate   = (maximum heart rate – resting heart rate) × 0.65 + resting heart rate

b.      maximum heart rate = 220 – person’s age

Find the training heart rate for a 50-year-old with a resting heart rate of 65 beats per minute

5.     Translate the following into an algebraic expression:

 the sum of five times a number and three

6.      Solve 4(x + 1) = –15.

7.      Evaluate | y + 7 | if y = –2.