Help me with this maths question please

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Which of the following three dimensional figures has a circle as it’s base