You flip a coin twice. Find the probability that at least one of the tosses showed heads

Joe ate twice as many pieces of Halloween candy as ed together they are 48 candies how many pieces of candy did ed eat?

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of ""C"" to students scoring between the 60th and 70th percentiles on the exam.

A moving company's moving rates can be represented by the function f (x) = 3x + 400, where x is the number of miles for the move. Another moving company's rates can be represented by the function g (x) = 5x + 200.

2+2 x 4 what is the answer

What is the equation of a hyperbola with a = 1 and c = 9? Assume that the transverse axis is horizontal.

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign

Find the unit price for a 7-ounce box of cookies for $2.15. Find the answer to the nearest tenth of one cent