If cos⁡ x=−45, and 180° < x < 270° is in Quadrant III, what is tan⁡(x2)?

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

3/4 = c/36 i need with this fraction proble.