The probability of giving birth to a boy is 50%. find the probability that at most there are 3 boys out of 10 births.

Seven subtracted from eleven times a number is - 238.

The value of a machine depreciates each year by 5% of its value at the beginning of that year. If its value when new on 1st January, 1980 was £10,250.

What is the positive root of the equation (x - 4) (x + 3) = 0?

Which is greater 23/44 or 33/64

Which expression are equivalent to 7-3%7-1

A problem on a multiple-choice quiz is answered correctly with probability 0.9 if a student is prepared. an unprepared student guesses between 4 possible answers, so the probability of choosing the right answer is 1/4.

The sum of two numbers is 47 and the difference is 9 what are the numbers?

List two properties of the polygon in the grid

what are the new coordinates after reflecting across x=2 if the coordinates are K (-2,-1) L (-2,-3) M (-5,-3) N (-5,-1)

What is x and y to 3y+7x=4 - 6x+y=-7