Four fair coins are tossed. Find the expected number of heads

What are two ways you can represent the number 27 using the number 3?

Alex has twice as much money as jennifer. jennifer has 6$ less than shannon. together they have 54$. how muchmoney does each have?

Monica purchased adult and youth tickets for the fair. She bought x adult tickets for $28 each and y youth tickets for $15. Write an expression that can be used to show the total cost, C, of all tickets

For two events and, the probability that occurs is 0.8, the probability that occurs is 0.4, and the probability that both occurs is 0.2. Given that occurred, what is the probability that also occurred?

Estimate the difference of 4/5 - 1/2

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

You want to estimate the number of eighth-grade students in your school who find it relaxing to listen to music. You consider two samples.

5 80/100 in decimal form