De manera individual resuelve las siguientes operaciones utiliza el procedimiento más breve posible. escribe en la tabla los resultados y los procedimientos que utilizaste. EL DOBLE DE 1/3

EL DOBLE DE 2/7

EL DOBLE DE 4/5

EL DOBLE DE 5/6

1/2+1/4

1/2+3/4

2/3+ 1

2/5+3/5

1- 3/4​

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?