Because diagonals of a square are congruent and
have the same slope
bisect each other
are perpendicular
HELP ASAP PLEASE !!

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?