What is common multiple of 5 and 9

There are 12 peices of fruit in a bowl. Seven of the pieces are apples and two are peaches. What is the probability thaat a randomly selected piece of fruit will not be an apple or a peach? Justify your answer.

Can somebody give me a mathematical definition of zero?

Find two lengths that are within 0.3 and 0.5

If $1,000 is deposited into a savings account offering 11% interest paid annually, approximately how much money will be in the account in 10 years? 12,100 11,000 3,123 1,227

What is the decimal multiplier to decrease by 40%? I would be grateful if somebody could explain how this is calculated

Solve 7 + 2x ≥ - 5 - x

How many solutions does the equation 2+6 (x-4) = 3x-18+3x have?

A coin is tossed 2 times. find the probability that all 2 tosses are tails

The volume of a sphere is 36π in³. what is the radius of the sphere?

Find the sum of the first 20 terms of the arithmetic sequence 4, 10, 16, 22 ...