TIMED EXAM What is produced during the replacement reaction of Cu(NO3)2 and Zn?

ZnNO3 + Cu

Zn + Cu(NO3)2

ZnCu + 2NO3

Zn(NO3)2 + Cu

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Is the power produced directly proportional to the wind speed, give reasons for your answer?