I need help with this question please  
Supposed you know that Ls and LY are complementary, and that mLS=3(mLY)-90°

The value of mLY is

Someone help me with this question!!

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?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.