Which statement must be true? The inequality uses a cor symbol because the arrow points to the left.
The inequality uses a cor > symbol because -7 is included in the solution set.
The inequality uses a cor > symbol because the circle at -7 is open.
The inequality uses a cor < symbol because the circle is on a negative number.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?