from a boat on the lake, the angle of elevation to the top of a cliff is 14°28'. if the base of the cliff is 743 feet from the boat, how high is the cliff (to the nearest foot)?
a) 195 ft.
b) 192 ft.
c) 205 ft.
d) 202 ft.

Asquare parking lot has 6,400 square meters what is the length in meters

What is the standard form of -5x^2+2x^4-11+x^3+3x

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?