Find the first six terms of the sequence.
a1 = -1, an = 2 • an-1 (7 points)
select one:
a. -2, -4, -8, -16, -32, -64
b. -1, -2, -4, -8, -16, -32
c. -1, -2, 0, 2, 4, 6
d. 0, 2, -2, 0, 2, 4

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.