Which is closest to the area of a circle with a diameter of 19 meters? can somebody me .
a.
890 square meters
b.
283 square meters
c.
29.8 square meters
d.
59.7 square meters

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!