Select the correct answer from each drop-down menu. two of the solutions for the equation 2x + 3y = 12 are (9, ) and (, 4).

Which of the following is the result of expanding

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.