Shawna wants to make a 10% alcohol solution. She has already poured 10L of pure water into a beaker. How many L of 60% alcohol solution must she add to this to create the desired mixture?

What does the notation f (2) mean?

Define: voluntary response a) population is divided into similar groups and a SRS is chosen from each group. b) the explanatory variable (s) in an experiment. c) people who choose themselves for a sample by responding to a general appeal.

A rectangle is 25 inches long and 13 inches wide. What is the area of the rectangle? Enter your answer in the box as a fraction in simplest form. $$ in2

Barry wants to make a drawing that is 1/4 the size of the original. if a tree in the original drawing is 14 inches tall, how tall will the tree in barrys be?

E. These are loans that accrue interest from the day you get them and they have a fixed interest rate of 6.8%.

If it is 9:00 am in eastern Nebraska (NE), what time is it in Utah (UT) ?

Use the digits 1,3,5, and 7 to create two whole numbers whose product is estimated to be about 600

A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate

A basket of beads contains eight red beads six yellow beads and six green beads. A bead will be drawn from the basket and replaced 150 times. What is a reasonable prediction for the number of times a green bead is drawn?

How many different 10-letter code words can be constructed from the English alphabet?