Evaluate the expression, using the given value of the variable.

z ÷ 4 – 8z + 2(z – 5) when z = 12

a. –79

b. 107

c. –74

d. –34

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

15/16 as a decimal rounded to the nearest hundredth

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?