1) ¿Cuántos términos tienen las siguientes expresiones algebraicas? 6) 2(a + b)
7) 624 + 3a3 - 2a2+1
a + b
1) a + b
2) 9a-C
3) 7x2 - 4ax - 2a
4) 2xy - 4 +7ab - ab
5) -5abc
8) 3​

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

What is the solution of log2  (3x  -  7)  =  3? 4 5

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?