1. Resolva as seguintes equações do 1o grau: a) 5x + x – 40 = 5 – x
b) 20 + 6x = -2x + 26
c) 3,5x + 1 = 3 + 3,1x
d) 7p + 15 – 5p 10 = - 17 + 13p
e) 13y – 5 = 11 + 9y
f) 9t – 14 = 7t + 20
g) 5 – a – 11 = 4a – 22
h) 2y + 21 – 6y = - 12 + y – 7

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Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?