Which of these approximations of pi is the least accurate? A 3 B 3.1 C 3.14 D 3.14159

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.