If x - 10 = - 15, then find the value of 5x - 30

Algebra 2 semester 2 activity 4.1.1

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What are the values of c and d in the matrix [[6,8],[-11,15]]-[[c+2,3],[-5, d-4]]=[[22,5],[-6,17]]

The sum of a block of land's length and width is 30m. If x = the width the expression for the land's length is 30 - x. Given the length and width must be positive values, solve an appropriate inequality to find the possible values of x.

GH bisects CF, CF=2y-2, and CD=3y-11. Find CD and Y

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

What is the height of the cylinder in the diagram? Round your answer to the nearest whole number.

Safeway is selling cereal at $10 for 4 boxes. What is the cost per box?

the building is 1050 feet tall. sally built a scale model of the building. how tall is the model if she used the scale 1 centimeter=35 feet?

The floor of our classroom is 50 feet by 75 feet. What is the area of our floor?