5. this formula works out the tax you pay.
t = 0.3(e – 10 600)
t is the tax you pay in pounds.
e is the amount you earn in pounds.
alison pays £5200 tax.
work out the amount she earns.

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar

Find the value of x to the nearest tenth.

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.