Replace the ? With one of the following: equal to, less than, greater than, or not equal to for 2 + 3 ? 4 + 1 ?

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?