Could the points (-4,3), (-1,1) and (1,3) form the vertices of a right triangle? why or why not? a) yes, a2 + b2 = c2.
b) no, a2 + b2 ≠ c2.
c) yes, (1,3) is a right angle, eliminate
d) yes, (-4, 3) is a right angle.

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

What is the circumference of the pie

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2