Calcule o com calcule o comprimento de uma circunferência utilizando a fórmula C=2ttr sabendo que a medida do raio é; A)3,14. A) 4cm
B)6,28
C)24,03
D)25,12. B) 5 cm

A)6,28
B) 18, 84
C)31,4
D)37, 68

Evaluate cos2θ for cosθ = square root of 3/2

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?