Which is the best estimate for the area of the figure shown? O 17 sq. units
O 20 sq. units
O 27 sq. units
O 32 sq. units

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?