A quadrilateral has vertices at (1,4), (7,3), (3,-5), and (8,- 4). The quadrilateral is dilated by a scale factor of 3.5 with the origin as its center. What are the coordinates of the vertices of the image of the quadrilateral?

PLEASE HELP WILL MARK BRAINLIEST IF CORRECT

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.