A patient is participating in a study for a new drug. On week 0, the patient weighed 122 pounds. On week 22. the patient weighed 145 pounds. What is the average rate at which the weight of the patient changes per week ?

A friend who works in a big city owns two cars, one small and one large. One-quarter of the time he drives the small car to work, and three-quarters of the time he takes the large car.

the temperature this morning was 6 degrees below zero. in the afternoon was 15 degrees above zero. what was the total temperature increase.

There are two numbers, one is 7 more than twice the other. The sum of the numbers is 43. Make the equation to find the smaller number. Find the two numbers. Answer: If the smaller number is x, the equation will be.

A bedroom is shaped like a pentagon. A designer wants to put a triangular bookshelf in the corner marked on the diagram. The sum of the interior angles of a pentagon is 540°. Which statement is correct?

99 is 44% of what number

Coin Flips Recall the scenario from the previous page. A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly.

Evaluate e-1/2f when f equals, 2.

Solve for n. Round to the tenths place, if necessary. A. n = 12 B. n ≈ 9.5 C. n = 11 D. n

2ft 3in = _in what is the answer

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the second equation is substituted into the first equation. 3x + 2y = - 21 x - 3y = 4