Deferentiate y=7x + 3

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x

If 0° ≤ θ ≤ 90° and cosθ = 11 15 , what is the value of sin (90° - θ)? a) 11 /15 b) 15/ 11 c) 15 /4 d) 4/15

What is the distributive prperty to exspress 24+36