Find the x of (2x+8) + (71-x) = 180

Two Alloys of Iron have different percentages of Iron in them. The first of them weights 6 kg and the second one weights 12 kg. One piece of equal weight was cut off from both Alloys.

The sum of the product of a number k and 4, and a number m

What is the value of x? 3x-3

The circumference of a circle varies directly as the diameter. A circle has a diameter of 70 feet and a circumference of 219.8 feet. What is the circumference of a circle with a diameter of 17.5 feet? A. 54.95 feet B. 27.475 feet C. 8.75 feet D. 64.

Evaluate 10x+1 for x=0

The growth of a newly identified bacteria can be modeled by G (t) = 100 (1.037) 24t, where G (t) is the total number of cells after t hours. Based on the function, what it is the rate of change?

Suppose the radius of a circle is 5. what is its diameter

The amount of time it takes for a student to complete a statistics quiz is uniformly distributed (or, given by a random variable that is uniformly distributed) between 33 and 64 minutes. One student is selected at random.

Amy ran 3/4 mile. which decimal shows how many miles she ran?

Given the system of equations presented here: 3x + 5y = 29 x + 4y = 16 Which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated?