Michael is three times as old as Margaret, and in 6 years he will be twice as old as her. How old was Michael when Margaret was born?

Y = f (x) = 2x find f (x) when x=2

The movie theater has 250 seats, 225 seats were sold for the movie. What percent of the seats were not sold?

Why is the side opposite the right angle in a right triangle will always be the longest side?

last year, Bennie drove 938 miles in January, 788 miles in February, and 919 miles in March, this year he drove a total of 3,025 miles in those three months. how many miles did he drive this year?

Which numbers are solutions of the equation? |5 - 3x| - 3 = 2 a. {0, 10/3} b. {0,-10/3} c. {-3, 3/10} d. {-3,-3/10}

List all the subsets of {1}

Pat mixed. 85/lb coffee with. 55/lb coffee to form a mixture worth. 75/lb. How many lbs of each should she use to make 120lbs of the mixture?

For an intramural sports program at a particular college, the time to run one mile is recorded for 200 male students in the program. These times are approximately normal with mean 8 minutes and standard deviation 1 minute.

The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is 48. Find the two numbers

Faça o estudo do sinal da função y = 3x+9 e indique para que valores de x a função é positiva, negativa ou nula: a) positiva x>3, negativa x<3 e nula x=3 b) positiva x>-3, negativa x<-3 e nula x=-3 c) positiva x3 e nula x=3 d) positiva x-3 e nula x=