what is the probabilty that the sum of the two rolls is a prime number, given that atleast one of the rolls is a 3?

Explain why the multiples of any number other than 1 are not prime numbers.

You mix the letters M, A, T, H, E, M, A, T, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability P (A). Write the probability as:a. a fraction in simplest formb. a decimalc. a percent

Do you know why when dividing a fraction by a fraction, you flip and multiple? What does dividing a fraction by a fraction really mean?

Kesha bought a new pair of skis for $450. She made a payment of $120 and got a student discount of $40. Her mother paid 1/2 of the balance. How much does Kesha have left to pay?

A fish tank is 12 inches long, 8 inches wide and 18 inches tall. If it was filled 1/4 of the way with water what is the volume of the water in the fish tank?

On three examinations, Dana received scores of 84, 89, and 78. What score does Dana need on the fourth examination to raise his average to 85?

You have a Spanish meeting every forth day and a math club meeting every tenth day. Today you have both meetings. In how many days will you have both meetings on the same day again?

5.2 turned into a fraction in simplest form.

A certain laptop is really popular and sells for $199.99. Since sales are so good, the store raises the price by 13%. What is the cost of the laptop after the markup?

Which statement is correct? (2.06 times 10 Superscript negative 2 Baseline) (1.88 times 10 Superscript negative 1 Baseline) less-than StartFraction 7.69 times 10 Superscript negative 2 Baseline Over 2.