50 POINTS AND BRAINLIEST Please answer only if you are sure and write good explanation I really need it!

p, q, r - prime numbers
p p+q=r and (r-p)(q-p)-27p is perfect square

p=?
q=?
r=?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

2x minus y equals 6, x plus y equals negative 3