1-A) encontrar los términos a1 ; a7 y a40 de la sucesión aritmética 3n-2 y hallar la diferencia. B) calcular el termino 20 de la sucesión geométrica en la que a=2 y r=3.

2-A) la diagonal dé un rectángulo mide 15cm y la base 12cm
¿Cuánto mide el ángulo comprendido entre ambas?
B)hallar los datos faltantes del triangulo oblicuángulo cuyo lado
a= 6cm y sus ángulos b y c miden 45° y 105°

6-dados los siguientes polinomios:
P(x)=x²-4x+2 ; Q(x)=x-3 ;R(x)=x-3 ; R(X)=-3x-x²+5 ; T(x)=X+2

resolver:
A) P(x) - R(x) + Q(x)=
B) Q(x) . T(x) + P(x)=
C) R(x) - P(x) . T(x)=

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

An equation where variables are used to represent known values—function notation true or false

The sum of two numbers is 86, and their difference is 20. find the two numbers