What is the simplified form of - (x-4)

-x-4

-x+4

X+4

X-4

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Only 1/9 enrolled students in a school were absent. There were 4512 students present. How many students are enrolled in the school?

You want to order carpet for an area in your house. The room measures 12 feet by 10 feet. Remember, Area = Length * Width. If each square yard of carpet costs $30.25, how much will the carpet cost you?

A stack of 20 identical boxes the stack is 140cm take 3 of top how tall is the stack now

Write a prime factorization of 675 using exponents

The high school band learns 3 new songs every 2 weeks for the home football games. Write an equation to show the relationship between the number of songs, s, learned and the number of weeks, w.

What does n equal when - 3 < n-8

Paul spent 3/8 of her allowance on clothes in 16 on Entertainement what fraction of her allowance did she spend on other items

If y varies inversely as x and y 27 when x 40 find y when x 10

A hollow cylinder, open at one end, is constructed of thin sheet metal. The total external surface area of the cylinder is 192pi cm^2. The cylinder has a radius of r cm and a height of h cm.

System of equations using Substitution method : x = 2y + 5 and y = x - 1