We toss two coins and observe the upper faces of the coins.

a. observe at least one head

b. observe at least one tail what is the probability that both a and b occur? what is the probability that a or b or both events occur?

Suppose a car dealership offers a low interest rate and a longer payoff period to customers or a high interest rate and a shorter payoff period to customers, and most customers choose the low interest rate and longer payoff period, does that mean

In a group of 30 children, there are 4 times as many boys as girls. How many girls are there?

What mulitipled eqyals 26?

The expression x3 - 64 can be written as (x) 3 - (4) 3. What is the factorization of x3 - 64? a3 - b3 = (a - b) (a2 + ab + b2) (x - 4) (x2 + 4x + 8) (x - 4) (x2 + 4x + 16) (x - 64) (x2 + 64x + 16) (x - 64) (x2 + 64x + 4,096)

Y=2x + 1 x=3. how do I find the Y in each equation

The price of a cup of coffee has risen to $2.70 today. Yesterday's price was $2.45. Find the percentage increase. Round your answer to the nearest tenth of a percent.

54:42 A rectangular prism has a base that is 5 cm by 7 cm and a height of 12 cm If all dimensions are doubled what happens to the volume?

The initial population of a town is 3600 , and it grows with a doubling time of 10 years. What will the population be in 8 years?

A: What are the solutions to the quadratic equation x^2+9=0? B: What is the factored form of the quadratic expression x^2+9? Select one answer for question A, and select one answer for question B.

Math Two classes are combining to do a singing performance. The first class has 26 students and the second class has 22 students. If the students will then be split into four singing groups, how many students will be in each of the groups?