Answer:
Angle PAB is a right angle.
Step-by-step explanation:
Angle PAB is a right angle. In circles, tangent lines are always perpendicular to radii.
Answer:
3 - (-7)
= 3 + 7.
Step-by-step explanation:
A double negative is equivalent to a plus.
Answer:
16.4012194669
simplified: 16.4
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
you have to find the discriminant
b²-4ac for each equation
if discriminant < 0 no real solutions because will be negative under the squareroot whhan you try to find the roots
if discriminant = 0 there is only one solution
if discriminant > 0 two real solutions
for your given problems
A. discriminant =(-2)²-4*2*15 will be negative
