The mean of a set of four numbers is 3.5. if a fifth number, x, is added to the data set the mean becomes 4. what is the value of x.

How do you round 46,491 to the nearest ten-thousand

What is my anwer to now exactly to son that right things to my kids

If a leak van empty 1/4th of a tank in 1 hour, how long will leak take to empty the full tank?

Customers at a gas station pay with a credit card (A), debit card (B), or cash (C). Assume that successive customers make independent choices with P (A) = 0.6, P (B) = 0.2, and P (C) = 0.2.

An apple farmer has planted 0.3 of his orchard with cherry trees. The orchard is 8.59 acres in size. How many acres are planted with cherry trees

An penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height of a rockhopper penguin. Is your answer reasonable? Explain.

Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like reading mystery stories, the number of students at the library who liked mystery stories was.

Two lines intersect and two of the vertical. angles measure 37 what is the measure of the other two vertical angles

S=1+2. t o instante que passa pela origem s=0

A rectangle has a length of 10 3/16 inches and a width of 6 7/8 inches. What is the perimeter of the rectangle?