Johnny is going to an apple orchard to pick apples. The orchard owners charge $5 to enter the orchard plus $2 per pound of apples. If Johnny spent $17 at the apple orchard, how many pounds of apples did he pick? what is the equation?

If the value of cos330°is√3/2 then find cos 165°.

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.

For a school science project, john noted the temperature at the same time every day for one week. the high temperature for the week was 27°f, and the low temperature for the week was −3°f. what is the difference between the high and low temperatures john recorded?