4x-7y=3

x-7y=-15

solve with process of elimination

What is the length of one edge of a cube if it lateral surface area is 144

A teacher randomly selects one student from a group of students where 12 are wearing a black shirt, 8 are wearing a red shirt, and 12 are wearing a blue shirt.

Marlon has 4 cards, Jake has 4 cards, and Sam has 3 cards. can you write a multiplication sentence to find how many cards they have in all? Explain.

Which number sentence is true? A. - 1.5 + (-0.5) = 2.0 B. 2.5 + (-1.5) = 1.0 C. - 1.5 + (-0.5) = - 1.0 D. - 2.5 + 3.5 = - 1.0

The population of Collin County, which follows the exponential growth model, increased from 491,675 in 2000 to 782,341 in 2010. Find the exponential growth rate, k.

If f (x) = x^2 and g (x) = 4f (x) - 1, then what is the value of g (-3) ? I don't get it ...

Look at the expression below. Expression 1: x-x Expression 2: - 2+4/2 Expression 3: 1/4+.25 Expression 4: - 1/5 - (-1/5) Zion made a mistake when using the inverse property of addition to generate equivalent expressions.

Y=3•2 power of x negative 2 + 2

What is 32% converted into a fraction

1/9 and 1/8 closer to 0,0.5 or 1