25. An observer stationed 20 m away from a tall building finds that the angle of elevation of the top of the building is 68º and the angle of depression of its foo
is 50°. Calculate the height of the building.

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.