¿En cuál caso las razones trigonométricas de un par de triángulos no son iguales? A.
Cuando la medida de los ángulos de uno no es proporcional a la medida de los lados del otro.

B.
Cuando la medida de los lados de uno es proporcional a la medida de los lados del otro.

C.
Cuando los triángulos son congruentes.

D.
Cuando los triángulos son semejantes.

The chart below shows the distribution of weeds in yard

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.