4x-9y=1, - 4x+6y=-2

solve the system of equations using the linear combination method.

I will mark Brainliest The number of vertices in a pyramid is equal to the number of faces. How many vertices does a regular pyramid with 40 edges have?

If mAC = 76 degrees, and mBD = 78 degrees, what is the measure of angle AEC? 82 74 77 154

What is the explicit formula for this sequence? - 8,-3,2,7, ... A. an=-8 + (n-1) (-5) B. an=-8 + (n-1) 5 C. an=12 + (n-1) 5 D. an=5 + (n-1) (-8)

2/9 of the 18 people in the bakery are eating cookies how many people are eating cookies

There are 14 more girls than boys in the school orchestra. There are 19 boys. How many students are in the school orchestra

Stefan has been given two segments and the measure of an angle between them. He is trying to construct a congruent triangle. He has just finished one of the steps of the construction. Which step has he just finished?

Find the product 3 • (-7)

What is an equivalent fraction for 1/3

Use the distributive property to simplify the expression. -7 (8x - 3) + x A. x + 10 B. - 15x + 4 C. - 9x - 4 D. - 55x + 21

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