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© Colin invests £980 into his bank account. He receives 6% per year simple
interest. How much will Colin have after 7 years? Give your answer to the nearest
penny where appropriate.

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates