Asurveyor standing on a horizontal plain can see a volcano in the distance. the angle
of elevation of the top of the volcano is 23o
. if the surveyor moves 750 m closer, the
angle of elevation is now 37o
. determine the height of the volcano.

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The square root of 9x plus 7 plus the square rot of 2x equall to 7