Multiply each equation by a constant that would help to eliminate the y terms. 2x-5y=-21
3x-3y=-18
What are the resulting equations?
6x- 15y =-63
-15%+ 15y = 90
6x- 15y-63
1-15x+ 15y=90
6x-15y=-63
-15%+ 15y = -90
6x + 15y = -63

What is the perimeter of square abcd? units units 28 units 37 units

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm