Let n =21. what is the value of n + 10?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6