Which measurement is closest to the area of the circle in square centimeters? 31.4 cm
78.5 cm
62.8 cm?
50.2 cm?
PLEASE HELPPP ASAP

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.