7. Which of these are Pythagorean triplets? a. 5, 10, 12
b. 24, 20,26 c. 5, 12, 13
d. 20, 21, 29 e. 10, 24, 26
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To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me